I Tested 19 of the Best Jump Starters: These 3 are the Best

In this article, I will be reviewing the 19 best jump starters that I tested thoroughly to find the best jump starter for your vehicle.

I will show you exactly how I tested these jump starters and which of these jump starters are my favorite.

When you are looking for a jump starter or booster pack, every manufacturer “claims” they have the best deal. They want to show you the numbers and charts to prove that they have the best jump starters. This is what they have to do to sell more. I found out that some of this can be true, but that’s not always the case.

This is why I purchased 19 of the best jump starters on Amazon to test them myself and find out which of these are the best jump starters for you to buy.

Best Jump Starter for Diesel

There are the best jump starters for diesel engines, semi trucks, or someone who has a car lot.

NOCO Genius Boost GB150

NOCO GB150 is a pricier jump starter but it is powerful enough to jump-start an 8L or maybe even a 10L diesel engine, making it one of the best jump starter for diesel. It costs around $300, but you are paying for its raw power. It gives the most bang for the buck when it comes to a diesel jump starter.

My friend Dan owns this jump starter and I have tested this jump starter on his 7.3L Diesel engine without the truck’s own batteries connected. The truck started from cold like normal, on the first try. That is impressive.

It has metal jumper clamps and thick cables. This jump starter also tells you the battery voltage so it is easier to diagnose if your truck’s battery is dead or good.

NOCO Genius boost GB150 diesel jump starter

This can also charge your smartphones and tablets (which is probably something you are never going to do if you buy this) and has all the safety features like reverse polarity and short circuit protection. And this thing is heavy, and durable.

NOCO GBX155

I love the new X series jump starters from NOCO, so I just had to mention my favorite one here. The one above is good enough, especially if you’re on a budget, but if you’re looking for even better and you’re willing to spend a bit more, this is the one.

Recently, I bought a few NOCO jump starters from their X series. I love them. My favorite one from the bunch is this NOCO GBX 155.

It has 4250 peak cranking amps and a battery capacity of 99 Wh. In my testing, this jump starter delivered 1472 cranking amps. I tested it on a 5.3L diesel engine with the vehicle’s battery disconnected.

Apart from the usual safety features and excellent build quality, the main selling point for me (apart from its raw power) is the power delivery features through its USB-C port.

This USB-C port supports 60-watt PD (power delivery) compatibility. This means that not only do you charge other devices at 60 watts, but recharge the jump starter at 60 watts too.

In my testing, I was able to charge this jump starter using my Macbook charger in 2 hours and 3 minutes.

The Best Jump Starter: NOCO GB 251+

If you drive a Semi and you need to jump-start it somewhere, the Noco GB500 is the beast to buy. It costs $1,200 but delivers all the power most people could ever need.

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This jump starter also has 24V output to jump-start big diesel engines. It has big, heavy-duty metal clamps and has all the safety features that other Noco-branded jump starters come with.

Best Portable Jump Starter

After testing for more than 100 hours and spending several cold nights (alone) in my garage, I found these to be the best portable jump starter of all.

I considered these the best jump starters because they provided:

  • The power needed to jump-start your vehicle (even with a completely dead battery)
  • Safety features like reverse polarity and short-circuit protection
  • Durability of the jump-starter battery pack itself and the clamps
  • Features like USB charge-out, DC power-out, and portability
  • Best value for the money, without sacrificing power

Best Car Jump Starter

These are the best jump starters for everyday cars and small- to medium-sized trucks and SUVs.

Best Car Jump Starter Under $50

If you are buying a jump starter for your car, or a small to medium truck or SUV, then NEXPOW jump starter T11F 1000A is an excellent option for under $50.

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In my testing, it jump-started a 4.6L gasoline engine on the first try. Also in my testing, the NEXPOW 1000A delivered about 381 Amps (max) of raw current when I measured it using my clamp meter.

It has enough power for jump-starting modern vehicles with mid-sized engines without any problem.

This jump starter also has solidly built clamps, reverse polarity protection, short circuit protection, and overcurrent protection. It also has two USB ports that deliver 2.1 amps (or 10 watts) of current to charge your portable devices like smartphones, tablets, or a GoPro.

Nexpow t11f 1000a jump starter clamps

It charges through USB-C, but sadly, there is no charge-out capability from this port. It also does not come with a wall plug. In my testing, it took 4 hours and 21 minutes to charge using a 2A USB charger.

The only thing I do not like about this jump starter is the lack of manual mode. This means you cannot jump-start a vehicle with a completely dead battery.

But, on vehicles with weak batteries, this jump-starter does an excellent job of starting them. For under $50 on Amazon, NEXPOW jump starter 1000A is a great choice.

If you find the NEXPOW jump starter out of stock, or at a higher price, I would recommend you get the AVAPOW 1500A. It is also one of the best jump starters for under $50 on Amazon.

In my testing, it performed similarly to the NEXPOW 1000A. The clamps on this jump starter are also sturdy and durable.

It also has the same feature set as the NEXPOW jump starter. The only thing different from the NEXPOW jump starter is the charging time. This jump starter takes about 4 hours and 53 minutes to charge using a 2A wall charger.

Best Car Jump Starter for $100

If your budget is around $100, then I would suggest you buy Noco GB40. In my testing, Noco GB40 performed well and had no trouble starting the same 4.6L V8 engine. This is also one of the best jump starter for V8 based on price versus value.

It has really strong metal clamps that don’t flex when clamped on the battery post and also has reverse polarity protection.

It has an LED light, instead of the alarm, to let you know that you have connected the jump starter in the wrong way.

This booster pack also has a USB charge-out port to charge your smartphone or tablet or any other USB-powered gadgets. It has two bright LEDs that are on the top of the unit rather than on the side.

This charges via micro-USB (which is a little slow) and comes with a wall adapter and a cigarette lighter adapter.

If you can scrap around an extra 25 dollars, NOCO GBX 45 is a solid upgrade over the trusty NOCO GB 40.

This new model packs 250 extra peak amps than the NOCO GB 40 and delivers 60 watts of power through its PD-compatible USB-C (in/out) port.

It also charges about three times faster than NOCO GB40. In my testing, NOCO GBX45 was able to complete a full charge in 48 minutes when using a 60W USB-C charger.

Unfortunately, the charger is not included with this jump starter. But, you can use any regular 2A USB charger at the cost of slower charging speeds. For $125, I think NOCO GBX 45 is an excellent choice if you are a geek like me.

For Large Trucks, SUVs, and RVs (Gasoline)

AVAPOW A28 3000A

For under $100, AVAPOW A28 is a winner when it comes to jump-starting large Trucks and SUVs.

In my testing, it had no problem jump-starting a 6.7L V12 engine. It delivered about 1136 Amps (max) when I measured it using my clamp meter. In my testing, this jump starter struggled with diesel engines that are 5L or larger.

This jump starter from AVAPOW has solidly built clamps that apply decent pressure to the battery terminals. In my testing, the clamps did not bend or twist when connected to the battery.

It has reverse polarity protection, short-circuit protection, and other safety features. There is an LED light on the jumper cables for each warning.

It charges through USB-C, and there are two other USB-A ports for charging other compatible devices.

This jump starter comes with a carrying case, but the charger is not included. AVAPOW recommends that you use a QuickCharge 2.0 compatible wall charger to charge this jump starter. In my testing, it took around 5 hours and 11 minutes to finish a full charge.

For $77 on Amazon, I think it is a perfect jump starter for large gasoline engines and small to medium diesel engines. Adding a $20 charger will keep the total cost under $100

RuggedGeek RG3000

If you can spend around $180 for a jump starter, I would suggest you to buy RuggedGeek RG3000. This is also one of my favorite jump starters on the list.

It has the almost the same power (in real world testing) as the AVAPOW A28 but also has some other extra features like 60W USB-C charge out port.

Why do you care about 60W USB-C charge-out port? Well, for me I travel with my laptop a lot and this power bank can charge it through the USB-C port, as if I am plugged into the wall.

The battery clamps on this jump starter are also made out of metal and have reverse polarity protection. It also has an alarm to tell you if you connected the jumper cables in the wrong order.

It is also smaller in size than AVAPOW so you can fit it in your pocket or backpack too.

For Motorcycles, Dirt Bikes, and ATVs

For motorcycles, dirt bikes, or ATVs, you need to consider the battery clamps on the jump starter because if they are large, they might not fit on the (usually small) battery posts on your motorcycle or ATV.

In my testing, I have found out that the small clamps, typically made out of plastic fit really well on these small battery posts.

With motorcycle and ATV engines usually being under 1L, any jump starter can really jump-start the engine even if your battery is totally dead.

I would recommend, my most affordable pick, NEXPOW T11F 1000A. The clamps are perfect for motorcycle battery posts and it is small enough to be stored in the motorcycle storage compartment or backpack.

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How did I test all 19 of the best jump starters?

On a Saturday night, I looked on Amazon for jump starters and bought 19 of the best jump starters that had the most reviews or in general piqued my interest. After hitting the “place your order” button I went to sleep.

In the next week, all the jump starters arrived. I unboxed them and put them on charge. Some jump starters came with a little bit of charge, like the ones from Noco, RuggedGeek, Nexpow, and Clore Automotive, but I still topped these all off.

I read through their manuals (not something I do most of the time) to see what is the recommended charging time.

Some jump starters charged through USB but did not come with a charger in the box. Also, I noticed that jump starters that charged through DC 12 or 60-watt USB-C wall chargers were much faster in finishing the charge than the ones charging through regular 2A USB chargers.

HULKMAN Alpha85S was the only jump-starter that used a proprietary USB-C standard to recharge. I have also bought the HULKMAN Alpha100 (which uses the common PD USB-C charging standard) but it has not arrived yet.

Rugged Geek RG2000 Sport and the new NOCO X series of jump starters had USB-C charging with 60-watt PD fully charged in under 2.5 hours.

NOCO GBX45 was the fastest charging jump starter. It was completely recharged in 48 minutes. I had to use my MacBook’s USB-C charger because NOCO jump starters do not come with a charger.

Then, the next day I was ready to test these jump starters on some of the vehicles I own and some other vehicles my friends owned.

I also took these jump starters to my friend’s garage where he had a lot of vehicles that hadn’t been started in a year or more. I thought this was the perfect situation to put these jump starters to test and find out which jump starter is best in performance and worth my money (and yours).

I tested the best jump starters on different vehicles with different engine sizes ranging from small dirt bike engines to 2.0L to 6.8L V10.

Here is the list of vehicles I tested these jump starters on:

  • 2016 Toyota Camry 2.5L Hybrid (Gasoline)
  • 2014 Toyota Tundra with a 4.6-liter V8 (Gasoline)
  • 2014 Ford F350 6.8L V10 (Gasoline)
  • 2018 Ford F150 3.0L (Diesel)
  • 2013 VW Passat 2.0L TDI (Diesel)
  • 2005 Mazda 6 2.0L (Diesel)

I also tested these jump starters on a few motorcycles, dirt bikes, and ATVs for versatility:

I began my tests by disconnecting the negative ( – ) terminal from the batteries that were inside the vehicles. I did this to simulate a completely dead battery.

I also purchased a bad battery from a local auto store to simulate a “bad battery situation” for each jump starter.

The bad battery I purchased from the auto store measured at around 9-10 volts and was unable to turn on the lights or start the ignition.

Then in the next couple of days, I ran my jump start tests on different vehicles multiple times and measured the cranking amps provided by each jump starter.

I used a clamp meter to measure the amps while cranking and took burst photos using my iPhone to record the amperage readings.

I then punched these readings into a spreadsheet and exported an easy-to-read chart that you can see below:

This is the average of peak amps delivered through my jump start tests.

In my tests, NOCO GB500 (consider the NOCO 250+ above) provided the most cranking amps followed by NOCO GBX 155, NOCO GB150 GOOLOO GP4000, and others.

The jump starters that provided the least cranking amps were from DBPOWER, Stanley, and Dewalt.

These are the cranking amps that one jump starter took to start a cold engine. I recorded this data using a digital clamp meter (to measure amps) and made a chart comparing each jump starter.

Safety Features

To check the safety features of each jump starter I did a really stupid thing: connected the black clamp of the jump starter to the positive post on the battery and the red clamp of the jump starter to the negative post on the battery, on a parts car.

During this test, I wore protective glasses and gloves in case anything went wrong.

I tested 19 of the best jump starters and found out that 16 of those who claimed to offer this feature did not cause any spark and gave warnings about the battery connection.

Jump starters with reverse polarity protection are easy to use even if you don’t know anything about cars or electronics.

Some jump starters like from NOCO, RuggedGeek, AVAPOW, GOOLOO, and NEXPOW had a warning/error red light that came on when the jumper cables were connected in reverse order.

While on the other hand, some jump starters like Clore Automotive, Weego, and HULKMAN beeped to alert the user. Weego 22s’s beeping was less noticeable (near a busy road) among all other jump starters. 

In my opinion, loud beeping over flashing LEDs is a good and more straightforward way to alert the user that he/she did something wrong and needs to double-check the connections on the battery terminals.

Usually, error lights are somewhat hard to see under sunlight, but you can probably see the lights if you get under the shade of the hood. In short, if your jump starter has reverse polarity protection you are covered for the most part.

Note that if your vehicle’s battery is too low (6 volts or less) and the jump starter does not detect that it is connected to the car. You have to enable “manual mode” to allow power to flow through cables and doing so will disengage all the safety features including short circuit and reverse polarity protection.

Safety features of a jump starter are disabled when you enable manual over-ride function.

I do not advise you to do this on purpose even if you know your jump starter has reverse polarity protection and leave this feature only for those accidental situations. I did this so you don’t have to. 

Jumper Clamps and Cables

I tested clamps for their feel, clamping force, and durability over time. I was surprised to see that out of 19 clamp sets, only 8 were made out of metal. That said, the plastic clamps were not as bad as I thought they would be.

There were some poor-quality plastic clamps, though, and three clamp sets have already broken in under 9 months. The broken clamps are from:

  • Dewalt DXAEJ14
  • Schumacher SJ1328
  • ROAV Jump Starter Pro

Some plastic clamps have a metal hinge pin holding the two sides of a clamp and they seem more durable and don’t twist or flex as much as the ones made of only plastic do.

I also found out that for motorcycles, dirt bikes, and ATVs, the bigger clamps were harder to clamp on battery posts, but the small ones worked perfectly. 

The cable length on all of the best jump starters is about the same, except for the big less portable ones.

On the more portable ones, the cable length is around 8 to 10 inches and it is just enough length to connect the jump starter to the battery posts and place it somewhere near.

Cable thickness was also my concern, but all the jump starters have thick cables, around 10 to 6 gauge and the cables did not get warm or anything during the testing.

Extra Features

All of the jump starters had USB charge-out features except Clore Automotive, Weego, and Schumacher. Some of the best jump starters also had 12, 15, and 16-volt DC out so you can power things like laptops, hard drives, or anything that runs on these voltages.

Jump starters are more than just jump starters. You can also use them as portable power packs for your phone.

All the big, less-portable jump starters have compressors built into them. I found that Clore Automotive performed better than all others and provided more consistent results than any other air compressor-jump starter combos.

All of the jump starters that I tested had flashlights built-in and they all are great, some are brighter than others, but they all get the job done.

My Favorite Jump Starter Packs

Of all the 19 jump starters that I tested, these 3 are my absolute favorites. They have all the safety features, durable build quality, and everything else a geek like me can ever ask for.

Noco Genius Boost GB40

This jump starter claims to jump-start vehicles with gasoline engines that are up to 6L and diesel engines that are up to 3L.

I had no trouble jump-starting my 8-cylinder 4.6-liter truck with the battery disconnected completely from the vehicle. NOCO claims that this jump starter can jump-start a vehicle with a dead battery up to 20 times, but in my testing, that number was probably closer to 8.

But, keep in mind, you probably aren’t going to jump-start eight dead cars in a row.

Apart from jump-starting vehicles, it also has a couple of features like a standard USB port to charge your electronics like a smartphone, a tablet, or anything that charges through a standard USB port.

This jump starter also has a flashlight with a couple of different levels of brightness and can also be used as an emergency SOS signal if you are stuck somewhere.

The LED is bright and will surely get someone’s attention when you need it.

Battery clamps on this unit are built solid with thick wires (around 8 gauge) and provide solid clamping force so you don’t have to worry about the clamps slipping or not making good contact with the battery terminals.

It also has safety features like reverse polarity protection so if you ever connect it the wrong way to the battery terminals (like I did on purpose for testing this) it flashes the red light and won’t let you jump or damage anything in your car or your wallet.

This jump starter also has a manual override feature for the batteries that are really low or completely dead. Keep in mind that if you enable this feature, all the safety features like reverse polarity and short circuit protection will also be disabled.

When enabling manual override, just be careful and connect the jumper leads correctly.

NOCO does not say anywhere on the jump starter or the box about the capacity of the internal battery, so I took apart my jump starter to find a NOCO branded Element X10 3-cell lithium battery, which has 11.1 volts and has a capacity of 2150 mah.

That much power from such a tiny battery is really impressive. There is also a temperature sensor on the battery which shuts the unit off when the battery gets hot.

I went on camping and took this jump starter with me. There I charged my iPhone two times, used it as a camping light, and jump-started my friend’s car. The battery came down to 25 percent during my 3-day trip.

This jump starter comes with a carrying pouch, a micro USB charging cable, a cigarette lighter to USB adapter, jumper cable leads, and the jump starter pack itself. This jump starter can be charged from any USB charger that has a micro USB end.

I tested it with the 2.1A Samsung wall charger and it took around 4 hours until it was fully charged. Considering its size, you can store it in your trunk or glove compartment without taking up much space.

Jeremy from Wolkswear tested this jump starter in extremely cold weather on completely dead cars. This jump starter performed so well that he captioned it as, “this thing surprised us.”
  • Compact, has solid build quality, and has decent power
  • It can be stored in a glove box without taking up much space
  • Sturdy metal clamps with a plastic outer shell
  • Reverse polarity protection with LED indication
  • Comes with a carrying pouch to keep everything together
  • USB charge-out with 2.1amp output and a USB-C 60-watt PD in/out port
  • Comes with a 1-year warranty and great customer service
  • Does not come with a charger
  • Battery capacity is low at 32 Wh

RuggedGeek RG2000 Sport

This jump starter is the bigger brother of the RG1000 (which I also tested and reviewed) and has a lot of cool new features.

For starters, it has double the cranking amps of the RG1000 at 2000 amps and can jump-start vehicles with engine sizes up to 8L for gasoline and 6L for diesel. That is a lot of jump-starting power in such a small form factor.

I had no trouble jump-starting my friend’s Ford F350, which has a 6.8-liter gasoline engine, with the vehicle’s battery disconnected. The truck started normally without any hiccups and after I ran my test for 4 times, the battery drained down to 57%.

This jump starter has metal jumper clamps with great clamping force and solid cables. It also has the IntelliBoost technology which protects your car and the jump starter itself from accidental reverse polarity connections. So even the salesman in your nearest car dealership can use it if you know what I mean.

This jump starter is also IP66 rated meaning that you don’t have to worry about it getting damaged from water splashes or dust and debris. This rating is important if you want to store this on a boat.

It also has a bright LED that can be viewed easily in the sunlight and the bright flashlight helps you at night time. This jump starter comes with a carrying case, a 12V cigarette lighter adapter, USB-C to USB-C and USB-A (normal USB end) cable, nice thick jumper leads, and a USB-C wall charging brick.

You must be thinking why USB-C? Well, I was surprised to see that as well because I had no idea that jump starter manufacturers cared about modern ports and making their gadgets easier to use.

The USB-C port on the jump starter delivers power according to the PD standards and can charge your USB-C devices like modern laptops or smartphones at the fastest possible speeds.

This also gives the flexibility to carry just one USB-C cable (and not a dozen different micro USB or whatever) for all your gadgets.

I tested its USB-C PD capabilities by charging my 13inch MacBook Pro and after one full charge on my laptop, the jump starter dropped to 33%. I have never charged laptops through power banks so I can’t tell if that is a good number. But still, I was impressed with the capabilities of this jump starter pack. Other than USB-C it also has quick-charge 3.0 compatible dual USB-A ports.

This jump starter does not have any DC power out but I don’t complain because in return I get USB-C which is the standard lately on all modern devices, but your iPhone. iPhone still charges through lightning.

For $200 this might be an expensive jump starter for most, but if you are a geek like me and enjoy the latest technology, you will enjoy it as much as I do.

NEXPOW Jump Starter: 1500A

NEXPOW claims that this jump starter can start vehicles with engine sizes of up to 6.5L for gasoline and 4L for diesel. NEXPOW also says it can jump-start these up to 300 times.

Now, I do think that this jump starter can easily jump-start a 6.8L engine (with a weak batter), but that “300 times” is too much of a marketing scam.

In my testing I was able to jump-start the 6.7L V10 on the first try with the truck’s battery drained down to 6 volts.

This jump starter also claims to work well in temperatures up to -4 Fahrenheit, so I did a cold test by putting this unit in the freezer for 30 minutes and then giving it a go. My test was not as cold as the jump starter’s operating temperature specs but it took 4 tries and fired the big 6.7L V10 right up.

The jumper clamps are made from metal (so no worries of breaking or flexing these) with good clamping force and when I was doing the cold test I noticed that the clamps grip well even with wet hands.

This jump starter also checks my safety checklist with reverse polarity protection, overcharge protection and short circuit protection. If you ever accidentally connect the jumper leads in the wrong way, the jump starter will beep loudly to let you know that you have done something wrong.

It also has dual USB ports with one of them compatible with quick charge 3.0 so you can charge you android devices at fast speeds and really take advantage of the 21,800 mah battery inside.

The flashlight on this jump starter is bright and comes handy if you are jump-starting in the dark. It comes with smart jumper cables, USB-C cable, and a carrying case.

It does not come with a wall charger. Not even the cigarette lighter one for your car. I don’t find this as a problem because most of us already has a USB charger laying around.

I bought this for $80 on Amazon and I think it has a lot of power for the price I paid.

Remaining Jump Starters I Tested

These are the other jump starters I tested to see if they are up to the manufacturer’s claims. You can read my detailed review down below to find out if a specific jump starter meets your needs.

NEXPOW Jump Starter: 1000A

This jump starter from NEXPOW claims to jump-start vehicles with engine sizes up to 7L for gasoline and 5.5L for diesel. This jump starter came in with a 51% charge, so I topped it off before testing it.

In my real-world testing (on a vehicle with a weak battery), this jump starter was able to jump-start a 4.6L V8 gasoline engine just fine. I also tested this jump-started with a bigger 5.7L gasoline engine, and it took a couple of tries but fired right up.

I think the 7L claims are a bit too high. After 4 jump-start tests, the battery came down to less than 50% from a full charge. It can provide around 6ish jump-starts when fully charged.

Another thing to note here is that this jump starter does not offer any sort of Boost mode or Manual mode. So if your vehicle’s battery is completely dead (less than 2-volts) then this jump starter is not going to do any good for you.

This jump starter is built solid and has a nice weight to it. 4 LEDs indicate the remaining charge on the jump starter. Clamps on this unit are made from plastic. In my testing, the clamps proved to be stronger than I expected.

The jump starter has the usual safety features like short circuits and reverse-polarity protection. In my testing, it gave an error when connected to the battery in the opposite order. If there is a green light on the jumper cables, it means you have connected it the proper way, and you are good to jump your car.

The flashlight on this jump starter is bright and comes very handy when working in the dark. It also has a couple of USB ports that come in handy when you need to charge your phone.

This jump starter comes with a USB-C to USB-A cable only. It is a bummer for most, but at $48, I can not complain much. You can use any regular USB charger to charge this jump starter.

For $50-$60 on Amazon and a 2-year warranty, I think this is a good deal. The customer service is also helpful and responsive.

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  • Compact, has solid build quality, and has decent power
  • It can be stored in a glove box without taking up much space
  • Durable clamps that are easy to operate
  • Reverse polarity protection and short circuit protection
  • 2.1A dual USB charge out ports
  • Charges through USB-C
  • Comes with a 2-year warranty
  • No manual or boost mode available
  • It would have been nice if it came with a carrying case or pouch

DBPOWER 1600A

This jump starter is built very solid and feels quality in the hands. This jump starter from DBPOWER claims to jump-start your vehicles with engine sizes of up to 6.5L for gas and 5.2L for diesel.

In my testing, I had no problem jump-starting a 5.7L V8 engine in a truck in my friend’s garage. I disconnected the battery (because the battery was good in this case) and connected the jump starter to the truck directly. The truck started without any hiccups.

After the first jump, the battery was still at 100% so I gave this jump starter a stress test. I repeatedly jump-started the truck 6 times in a row (with the battery still disconnected from the vehicle) to put some strain on the jump starter and it started the vehicle each time. That’s impressive. It did get a little warm but nothing to worry about.

After my continued tests, it drained down to 53 percent. I also tested this jump starter on a 2008 F350 with a 6.8-liter V10 gasoline engine (disconnected the battery from the truck) and it fired up right away.

Battery clamps on this jump starter are built solid with great clamping force and nice thick cables. Keep in mind that the jump starter cables are always live (once connected to the battery pack).

Note that this booster pack does not have any reverse polarity protection or short circuit protection. So if you connect this the wrong way, it is going to damage the car.

This jump starter also has a flashlight with different mods like strobe and SOS, and can even charge your smartphone or other electronics through its dual powered-USB ports.

It can also charge your laptop with the included 8-in-1 laptop charging adapter and you can switch between different voltages like 12, 16, or 19 voltages.

One thing I noticed is that the laptop adaptors can be used to power other things that take DC voltages like printers, portable hard drives, refrigerators, or even wireless routers.

The LCD is a really nice addition instead of the LED battery indicators. It tells you the exact amount of battery power left so you don’t have to guess the remaining power by looking at the LEDs typically found on other models.

This jump starter comes with a nice hard-shell carrying case so you can put the jumper cables and store it in your car for times when you need it.

For $80 and a three-year warranty, this one really is a steal of a deal.

  • Compact, solid build quality, and has decent power
  • Can be stored in a glovebox without taking up much space
  • Durable metal clamps that are easy to operate
  • DC out socket to power other 12, 16, or 19-volt accessories
  • USB charge-out port with 2.4A output
  • Easy-to-read LCD even in direct sunlight
  • Comes with all the accessories including a cigarette lighter charger
  • Comes with a 2-year warranty
  • Does not charge through USB
  • Does not come with a pouch
  • No reverse polarity protection

NOCO Genius Boost GBX45

NOCO is a well-known company, and I am sure you already know them. NOCO GBX 45 is one of the best jump starters and is an excellent offering from the company.

This jump starter from NOCO provides 1250 peak cranking amps and can start vehicles with engine sizes up to 6.5L for gasoline and 4L for diesel, according to the claims on its packaging.

In my testing, I was able to jump-start a 5.7-liter gasoline engine (with the battery disconnected from the vehicle) without any problem, and the battery on the unit did not drop from 100 percent.

I thought, “hmmm, that’s not a big deal since it’s advertised for 7L.” So, I went to my friend Dan who has the Ford F350 with a 6.8-liter V10 to test this jump starter. It would not be a fair test if I did not disconnect the vehicle’s battery and tried to start the truck just with a jump starter.

I was just curious to find out if it had any improved performance (other than cranking amps) over its predecessor.

I took the ground off the battery and connected this jump starter, and asked Dan to fire his truck up.

And guess what? It took a few tries and a little bit of spinning the starter motor, but this little jump starter did its job, and the truck started. Dan and I were both impressed to see that.

The battery on the jump starter was down to 50% after this. Then I put some stress on the jump starter and tried to start the truck again, with the battery disconnected.

Unfortunately, GBX 45 was not able to do its magic this time. The starter motor was struggling and the jump starter was getting hot.

I did not think this jump starter would have any trouble starting your vehicle with a weak battery.

This jump-starter is also dust, mud, and waterproof. It has rubber flaps covering the jumper-cable ports and the USB ports.

Battery clamps for this jump starter feel solid in the hands with decent clamping pressure, so you are making a good connection with the vehicle.

It also has the necessary safety features, including reverse polarity, short circuit, and overheat protection. 

Other than jump-starting, this little gadget can also charge your smartphone or other compatible devices at full 60 watts through its USB-C port. The battery capacity is not there as this jump starter only has a 32 Wh battery, but it can charge your device super-fast. It has the tedious USB-A charge-out port as well.

The jump-starter can also be charged using this same 60 watts power delivery standard through USB-C. In my testing, this jump starter only took about 42 minutes to finish charging when using my Macbook charger.

This jump starter has a super bright dual LED flashlight which I found to be plenty bright when working on your car or just signaling someone for help.

This jump starter comes with a nice carrying pouch and a USB-C charging cable. Unfortunately, there is no wall charger included in the box. You can use a regular 2A USB charger, but you won’t be getting fast charging speeds unless you use a PD-compatible USB-C charger.

For $125, this is my favorite jump starter, and the 60-watt USB-C port makes it more useful than ever.

AVAPOW A28

This jump starter is built like a brick (or as my wife calls it a tank) – not like it’s unusable but really solid. Do you get my point?

It packs a whopping 23,800 mAh battery and 3000 peak cranking amps in a small package that can be easily stored in your glove compartment or trunk.

It claims to jump-start vehicles with engine sizes up to 8-liter for both gasoline and diesel engines. But that can’t be true because diesel engines don’t rely on a spark from the plugs; instead, they rely on compression to raise the temperature of the air to the point where diesel fuel combusts instantaneously.

In layman’s terms: diesel engines generally require more power to start than gasoline engines. This jump starter could start diesel engines with up to 5.5-liter with its 2000 peak cranking amps.

In my testing on a 6.7-liter gasoline engine, it fired right up without any problems, with the weak battery.

As with other jump starters that I tested, I started the vehicle multiple times, to put some stress on this jump starter, and it performed well.

It dropped to 75 percent after 4 jump starts which means it can probably do 20 jump starts at least with a full charge.

AVAPOW also claims that their jump starter does well in cold temperatures. To test it, I put it in the freezer for 30 minutes. Never do this to your jump starter, as doing this can damage it. I did it, so you don’t have to try this and know that this jump starter will work in the cold.

I then hooked it up to the truck (with a weak battery in the truck) and tried to jump-start it. It took some starter spins but finally jump-started the vehicle. All batteries (including lithium-ion) get affected by cold temperatures, but some perform better than others.

This jump starter performed well in this test too. Unfortunately, dropped to about 25 percent in just one jump start. Then after an hour or so, it came back to 75 percent. Still, it took 25 percent to jump-start the vehicle after being put in the freezer for 30 minutes.

Battery clamps are also solid but not as strong as my previous mention. Still, they don’t feel loose on the battery terminals, so you don’t have to worry about loose connections.

Like all good-quality jump starters, this also has reverse polarity and short-circuit protection, so you have peace of mind there. This jump starter also has a bright flashlight, but the battery indicator LEDs on my unit are very dim. I talked to AVAPOW about this, and they never responded.

It comes with smart jumper cables, a USB-C charging cable, and a nice hardshell carrying case to put everything in storage. Unfortunately, the jump starter only charges at 18 watts with a QuickCharge compatible charge. But with a regular charger, you are going to be limited to 10 watts max.

This jump starter also has dual USB ports with quick charge 3.0 for android smartphones. If you have an iPhone, this jump starter will only do 10 watts through its USB ports.

In a nutshell, for $90 on Amazon, this is an excellent jump starter that performs really well in cold climates and is perfect for most people.

  • Solid build quality, and has decent power
  • Can easily go in the glove box without taking up much space
  • Reverse polarity protection and voltage meter on jumper cables
  • Clamps work well on motorcycle and ATV battery posts too
  • USB charge out with QuickCharge 3.0
  • USB-C charge in port with 18W power
  • Comes with a hardshell carrying case for easy storage
  • No wall charger included
  • No boost/manual mode
  • Customer support could use some improvements

GOOLOO GP4000

This jump starter from GOOLOO is well-praised on Amazon, and there are a couple of reasons why.

GOOLOO claims that this jump starter can provide 4000 peak cranking amps and advertises to jump-start vehicles with engine sizes of up to 10L for gasoline and 10L for diesel. Don’t worry, I tested these claims for you.

In my testing, it jump-started the Toyota Camry with a 2.5L gasoline engine without any problem. Note that I disconnect the battery from the vehicle to carry out these tests and check the performance of these jump starters.

After that, I jump-started the vehicle 4 times in a row to see how it affects the performance of the jump starter. The battery came down to less than 75 percent, as I expected.

I continued my testing on a 6L diesel engine (with a weak battery), and this jump starter started the vehicle just fine. So, now I removed the weak battery to simulate a completely dead battery and did my test again.

Unfortunately, this time the jump starter had trouble keeping up. It made the starter motor chuck a little bit, but the engine could not start.

This jump starter is perfect for 6L gasoline engines and 4L diesel engines. I can not expect any more power from it.

The jumper cables are built solid, and I like how the plastic part of the clamps covers up the metal, so there is no risk of accidental short circuits. These jumper cables also have red and green lights indicating if you have hooked the leads in the wrong direction. It makes it super-safe to use.

I gave this jump starter to my friend who went camping with his wife and kids. His car had a weak battery, and this little jumpstarter saved him from a lot of trouble.

These were his words, “really, this is an awesome product. It’s compact and has a lot of power. And easy to use.” He then asked, “can I keep this one?” You know I don’t say “no” to my friends…

This jump starter is also safe to store and use because of all the protection built into jumper cables and the battery pack itself. This jump starter comes with a set of jumper cables, a wall charger and a cigarette lighter charger for your car, and a USB-C cable to charge it. It also comes with a carrying bag so you can store all the accessories when not in use.

The wall charger is certified by UL. This means that it shouldn’t catch on fire in the middle of the night.

It also has dual standard USB charging ports with support for quick charge 3.0.

For $170, you get a solidly built jump starter that can hold its charge for a long time, so you can’t go wrong here.

  • Compact, solid build quality, and has decent power
  • Durable clamps with reverse polarity protection built-in
  • It can also charge smartphones, tablets, and power other USB accessories
  • It can also power other 12V accessories air compressors and portable water heaters
  • Comes with a carry bag with organizer compartments for storage
  • A 1-year warranty and great customer service
  • Does not charge through micro-USB
  • The clamp’s springiness can be improved a little
  • Takes up more space in the glove compartment

Clore Automotive JNCAIR 1700

Let me tell you this upfront: it is not meant to be stored in your car or SUV so don’t buy this if you plan to store it in your car. It is a good option if you keep it in your garage or RV.

With that out of the way. This thing is seriously powerful. I tested this by jump-starting the big F350 truck with a 6.8L V10 engine (without the vehicle’s battery connected) and it started it up without any problem.

I repeated my jump-starting test 4 times and it performed really well without showing any signs of weakness or lack of power. When it comes to power it delivers more than 1700 peak cranking amps, but the main thing is it started the (cold) engine every time.

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Clore uses PROformer battery technology in this jump starter which means that this battery is going to hold a charge for longer periods, is very safe, and is going to last a long time.

The battery clamps on this jump starter are really solid with good clamping force and the wires are thick 2 gauge and long enough for easy access.

This thing also has an air compressor and at first, I was like, it can’t be any good like all other jump starter air compressor combos. But oh boy, I was wrong. It is a little bit slow when compared to standalone air compressors but still gets the job done in a decent time.

The battery life on this jump starter is also really good too and you can easily give 20 jump starts on completely dead cars. It has a nice work light, but I never found any use for it mainly because of the size of the jump starter.

It’s big and I treat it like a jump starter and nothing more (that’s what my mind tells me). But that flashlight is bright and can be quite useful in some situations. This jump starter also has the reverse polarity alarm so it’s really difficult for you to mess up here.

With the unit off, connect the jumper leads to the dead car if the light is green, you are good to go. And if you messed it up and connected the jumper leads in the wrong order, the jump starter will alarm you and the light will flash amber.

This jump starter also has overcharge protection so it is not harmful to keep it plugged in. But I wouldn’t suggest you keep it plugged in all the time if you are only going to use it once a month.

In short, this is a great product, but only if you are going to use it in your garage, store in your truck (if you are going camping), or in your RV.

Also, keep in mind that it is a jump starter first and then an air compressor second. If you are deciding between this and some other jump starter to buy (of this category) then I would suggest getting this one.

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I have tested Stanley’s fatmax and it is not worth any of your money despite its low price. If you want a cheaper option you can look at JNC550 for $160 which gives 550 cranking amps instead of the 1700 that this beast of a jump starter does.

This thing can jump-start a dead cow.

  • Powerful and has a decent amount of cranking amps
  • Reverse polarity protection with alarm and error light
  • Can jump-start big trucks with ease
  • Built-in air compressor
  • Extra long jumper cables
  • An analog voltmeter to tell the internal battery’s voltage
  • Build quality can be improved in the next version
  • Only if you want a compressor in a jump-starter combo

HULKMAN Alpha 85S

Unlike NOCO, HULKMAN is a new player in the jump starter industry.

This jump starter itself is decent. It has a sturdy build quality and generally gives a good impression at first. It claims to jump-start 8.5L gasoline and 6L diesel engines with the advertised 2000 peak cranking amps.

This jump starter also claims that it can jump-start a car at -40 degrees Fahrenheit.

These are some huge claims.

To test them, I put this jump-starter through my testing procedure.

In my testing, this jump starter from HULKMAN had no trouble starting a 7.3L gasoline engine with a weak battery. It took two tries, but the truck started as expected. The jump starter came down to 62%. But after a few minutes, it jumped back to 88%.

When testing on diesel engines, this jump starter was not able to start a 5L diesel truck, but it jump-started a 3.5L diesel just fine. I did not disconnect the weak batteries from diesel trucks because the jump starter was already struggling when tested on the 7.3L diesel.

I think this jump-starter has enough battery capacity, but where it fails is the power delivery system. It means that the circuitry and brains of this jump starter need to be improved.

This jump starter also has a pre-heating system for the internal battery. In theory, it improves the jump-starting performance in extremely cold conditions. I did not test this yet, but I will test it out and update my review here.

Clamps on this jump starter are solid and do not flex or bend. The jumper wires are also good, and the connector (which connects to the booster pack) does not feel loose. It makes a very secure connection to the jump starter.

The flashlight on this jump-starter is bright and has decent illumination. The battery meter gives you the exact battery capacity this jump starter has and is easy to read in direct sunlight.

This jump starter also features an 18W charge-out through its bi-directional USB-C port. You can recharge this jump starter at 65 watts but with only the included charger. If you use your USB-C PD charger, it will only accept 18 watts. The USB-A charge-out port supports QuickCharge 3.0 for charging other compatible devices.

In my testing, I found that this jump starter finished charging in 2 hours and 33 minutes when using the included charger.

It also has a 15V 10A dc out port, which you can use to power other car accessories using a cigarette lighter adapter. I used a portable air compressor with this jump starter and it worked fine.

This jump starter comes with a 65-watt proprietary wall charger, USB-C to USB-A charging cable, and a 12V cigarette lighter adapter. It does not come with a storage case or pouch of any sort.

  • Compact and sturdy design
  • Solidly built jumper clamps
  • Recharges at 65 watts
  • 12V 10A dc out port
  • Comes with a cigarette lighter adapter and wall charger
  • Charges at 65w through proprietary standards
  • Does not come with a carry case

CarAID Multi-tool 3 in 1

This jump starter from CarAid is similar in power outputs as the previous mention, NEXPOW 1000A.

It also provides around 1000 peak cranking amps and claims to jump-start vehicles with engine sizes up to 6.0-liter for gasoline and 4.0-liter for diesel.

I honestly think they went a little bit too far with their claims about a diesel engine. With 1000 peak cranking amps, you can only start a diesel engine that is 3.5ish-liter.

This jump starter is constructed like a flashlight. This design choice caught my attention, and I decided to buy it. It is bulky and thick, mainly due to the lithium battery. So this flashlight style is just a gimmick rather than a selling point.

In my testing, I found that this flashlight, I mean, jump starter, is best for gasoline engines (with weak batteries) that are up to 5.0-liter. The battery clamps on this jump starter are very similar to Nexpow 1000A with strong clamping force, so you don’t have to worry about any loose connections or sparks on the battery terminal.

This jump starter also has protection for short circuits and reverse polarity. And, the flashlight is bright. It drains the battery fast.

It also has a thermometer and a compass. Like do you need a compass? Says a guy who recommends you buy paper maps in his other article. I like these features, but the more I think about them, the more I find them gimmicky and nothing else.

You can also charge your smartphone, tablet, and other USB-powered devices through its dual USB ports. The charging speeds are okay, and in my testing, these ports delivered 10 watts of charging current each.

This jump starter charges through USB-C and comes with a 3-ft USB-C charging cable and a wall charger. It does not come with a carrying pouch or case.

For $100 on Amazon, if you think you need a flashlight that can also jump-start your car, CarAID Multi-Tool Jump Starter is a great choice. Seriously, I did not find anything wrong with this jump starter.

  • Compact, solid build quality, and has decent power
  • Super bright flashlight with amber LED right
  • Durable and sturdy clamps also work well on small battery posts
  • Provides reverse polarity protection
  • USB-C charge in port for wider compatibility
  • Performs well in cold weather
  • Does not come with a carrying case
  • Flashlight-like design could be improved further

Imazing IM23

This jump starter from Imazing provides 1500 peak amps and claims to jump-start engines up to 8L for gasoline and 6L for diesel engines.

In my testing, I found no issue when starting a 5.6L gasoline engine on my friend’s truck and it fired right up. I ran my tests multiple times to see the strength of this jump starter and the battery dropped to 53% after 4 jump starts.

This jump starter has metal clamps (same as my other mention: NEXPOW jump starter) with plastic shielding to protect from short circuits. The battery clamps provide good clamping force and are easy to operate even with wet hands. It also checks the safety features with its reverse polarity, over-charge, and short circuit protection.

Flashlight on this unit is not the brightest but still good for dark situations. It also has SOS and strobe mode built-in which can grab anyone’s attention from far away.

This jump starter has a couple of USB ports with quick charge support so you can charge your smartphones or tablets at the fastest possible speeds. The booster pack itself charges through the standard 12v dc input as well as micro-USB. In my testing, I found out that charging through 12V DC input isn’t much faster than charging through micro-USB.

It also has a 12V dc out that can be used to power other devices and comes with a cigarette lighter adapter so you use a portable air compressor with this jump starter as well.

It comes with all the useful accessories. This includes a 12V DC wall charger, a car cigarette lighter charger, a micro-USB cable, 12V cigarette lighter accessory adapter, and a not-so-hardshell carrying case.

The carrying case has two separate compartments which help store and organize all the included accessories and the jump starter pack itself. For 60$ you get nice metal jumper cables with all the safety features and a 2-year hassle-free warranty.

And if you can grab one for as low as 40$, as I have seen it discounted on Amazon, instead of the retail price of $60, it’s a pretty sweet deal.

  • Compact with decent cranking amps
  • Durable metal clamps that are easy to operate
  • Reverse polarity protection with audible alarm and LED
  • USB charge-out to power your devices and a 12V DC out port
  • Easy-to-read LCD screen even in direct sunlight
  • Comes with all the accessories including a cigarette lighter charger
  • Comes with a hassle-free 2-year warranty
  • Customer care is very slow
  • Included carrying bag isn’t durable

JUMTOP N12

This jump starter pack claims to jump-start engines up to 8L for gas and 6.5L for diesel. In my testing for gasoline engines, In my testing, it had no problem jump starting a 5.6L and a 6.7L gasoline engines. It jump-started both of these engines (from cold) on the first try.

The clamps on this thing are made up of plastic but don’t feel cheap or flex too much. The plastic clamps are the same as TrekPow.

My concern is where the jumper cable connects to the clamp, the joint is not as strong and might break over time. During my testing period of around 9 months, it has not broken or come loose, yet.

This jump starter also has reverse polarity protection and beeps to let you know that you have made the wrong connections with the battery. This is really a must-have feature on any portable jump starter as this can protect the lithium battery inside and the vehicle itself from electrical damage.

Apart from jump starting it also has a couple of USB ports with quick charge 3.0 support. These USB ports can come quite handy in emergencies when you want to make a phone call and your phone’s battery is dead.

This jump starter charges through USB-c with 15 watts but the charging adapter is not included in the box. It comes with a nice carrying case. Most people have a USB charger already so I think it is not a problem.

But for the price, I think the charger should be included in the box.

Overall, this jump starter is durable and has all the reverse polarity protection but there are other jump starters who offer more for less money.

  • This reminds me of DC Comic’s FLASH. Have you watched that show?
  • Compact, solid build quality, and has decent power
  • Good quality plastic clamps, easier on motorcycles
  • Reverse polarity protection with a buzzer
  • Can charge other USB-powered devices
  • Recharged through USB-C port
  • 12V DC out with a cigarette lighter adapter for other accessories
  • No wall charger included
  • Zipper on my carrying pouch broke in just a week

FANTIK T8 APEX

This jump starter from FANTIK provides around 2000 amps of power when jump-starting the vehicle. The manufacturer claims it can jump-start vehicles, with engine sizes up to 8.5-liter for gasoline and 6.0-liter for diesel.

In my testing, it jump-started a 5.3-liter V8 engine on the first start with the vehicle’s battery disconnected. I stress-tested the jump starter by jump-starting 5 times in a row, and it did not break a sweat, starting even a 6.2L gasoline right up every time.

The battery dropped down to 62 percent after 6 jump starts, which is impressive.

The battery clamps on this unit are built solid, with solid clamping force, and are easy to operate. This jump starter has short circuit protection and reverses polarity protection.

It also has a manual override mode, which you can engage by pressing the power and light buttons together for 3 seconds. This mode is necessary if you want to jump-start vehicles with batteries of less than 8 volts.

This jump starter is also water and dustproof so you do not need to worry about getting it wet or using it in rain.

The flashlight on this jump starter is okay at best and not as bright as some of the other jump starters I tested. It has a 65W PD-compatible USB-C port, which you can use to charge other devices. Sadly, there is no old-school USB-A port on this jump starter.

The LED display is easy to read in direct sunlight. I first thought that the glossy finish makes it difficult to read in direct sunlight, but it is not the case here.

You can charge your smartphone or laptop with this jump starter at 65 watts through its USB-C PD port. This jump starter also can accept a charge at this rate if you use a compatible charger.

In my testing, this jump starter finished charging in 1 hour and 41 minutes when I used my Macbook charger. Considering the battery capacity of 20,000 mAh, this charging speed is very impressive.

When storing this booster pack for long periods, I did not notice any extreme amounts of battery drain. In 6 months, it dropped from 100% charge to 83% and still managed to provide more than a few jump-starts without a problem.

This jump starter comes with a set of jumper cables, two high-quality USB-C cables, and a carrying pouch. Sadly no USB wall charger was included in the box, which is a bummer at this price.

I think the performance of this jump starter in extremely cold temperatures, water resistance, fireproof design, and PD-compatible USB-C makes it an excellent option.

  • Compact, solid build quality, and has decent power
  • Can be stored in a glove box without taking up much space
  • Strong metal jumper clamps
  • Offers all the safety features including reverse polarity and short-circuit protection
  • Works well in extremely cold climate conditions
  • IP65 Waterproof and 94V0 flame retardant
  • Holds battery charge for longer periods
  • No charger is included at this price

The Not-So-Good Ones

These are not the absolute best jump starters. There might be some durability issues here, lack of power, lack of some necessary features, or are too expensive for what they offer.

Weego 22s

This jump starter from Weego claims to jump-start vehicles with 5L gasoline engines and 2.5L diesel engines. That is really impressive (if it works) for a jump starter of this size.

I tested its capabilities on a 3.0L V6 engine by disconnecting the vehicle’s battery because it was in good condition. The Weego 22s wasn’t able to even spin the starter motor.

I thought maybe I got a faulty unit. I contacted Weego and they sent me another jump starter without asking too much about the problem. I connected the new jump starter to my test vehicle and still nothing.

I started researching online and found out that Weego was not seeing any power on the battery clamps so it was not turning on. This is a safety feature to protect Weego from going bad.

But what is the point of a jump starter if it can’t even jump start a vehicle with a completely dead battery so you drive a little and go to the nearest auto store for a replacement?

This jump starter needs to see at least 6+ volts on the battery to jump-start the vehicle. I tested this jump starter on a “known weak battery” and it jump-started it just fine.

And I tested all other jump starters by disconnecting the vehicle’s battery completely and they all started up just fine. I like the battery clamps on this jump starter. They are designed in an odd shape and have good clamping force, are easy to open, and the way they are built feels like they are going to last.

As long as your battery isn’t completely dead, this thing will surely jump-start it just fine.

  • Compact and solid build quality.
  • Can be stored in a glovebox without taking up much space
  • Reverse polarity protection with audible alarm and LED
  • Durable plastic clamps
  • Recharges in under 3 hours
  • Does not charge through micro-USB or USB-C
  • Not enough power to start a vehicle with a completely dead battery
  • Can’t use this on a car with keyless ignition
  • No manual override feature
  • There are better options in this price range

Not Worth Much…

These jump starters don’t work and I have also found that the customer support is not there in case anything goes wrong. I would not recommend you buy these jump starters.

Stanley FatMax

As the name suggests this jump starter is fat. Stanley claims that this jump starter can provide 700 peak cranking amps to jump starter your vehicle. I mean it looks like (considering the size of it) that it should provide more than just 700 peak cranking amps.

But in my testing, I had trouble starting a 3.0 liter V6 gasoline engine. It jump-started a 2.0 liter 4 cylinder engine just fine but that needs way less cranking amps than the advertised “700 peak cranking amps”. So that’s no good right? I thought the same.

I begin reading the 19-page manual and charged this thing up to a hundred and tried jump-starting again. Still the same results. I did some research online to find out that other people are also having the same problem as me.

It is good enough for jump-starting a car with a weak battery but if you are in a situation where your battery is completely dead (under 2 volts) then this jump starter is not going to help you.

And there is not even overcharge protection so if you leave it on charge for a long time, the battery inside is probably going to get damaged. That is really a dumb design. And that compressor? Oh, it stopped working after filling just one tire.

I wish I had read some comments on Amazon before ordering this jump starter, but taking it apart made me learn some new things. I don’t think this jump starter is really worth your money.

  • Reverse polarity protection
  • USB charge-out ports
  • Made from poor-quality plastic
  • Should be charged every 30 days
  • Lead-acid battery inside
  • Battery degrades quickly
  • No over charge protection
  • Flimsy clamps
  • Air compressor doesn’t work

DEWALT DXAEJ 14

I want to tell you upfront that DeWalt is the name brand not the manufacturer of this jump starter. This product was actually built by Black & Decker.

Well, this is the first jump starter that I received from the bunch that I ordered for testing. It was packaged well and arrived within three days. I was happy to see it and the build quality amazed me. It feels like a great product.

I disconnected the battery on my truck (as the battery was perfectly ok) and hooked this jump starter to the vehicle. It jump-started on the first try and I was amazed by that. I tested it four more times (after letting the truck cool down between test intervals) and it jump-started the truck without any problem.

The battery dropped to 74% which was expected because I was jump-starting a 4.6-liter V8 engine.

After the next few days, I was in my friend’s workshop and there was a dirt bike that needed a new battery. Luckily I had the jump starter in my truck so I took it out, connected the jumper cables to the battery terminals, and asked my friend to start the bike. There was nothing. Not even a single crank.

I thought that was weird because I had fully charged it the other night and the battery meter on the jump starter was reading 100%. I let it stay connected to the dirt bike and waited for 15 minutes so it can charge up the battery a bit and then tried to start the dirt bike again. Still nothing.

I thought there might be something wrong with the bike or maybe it was not supposed to jump-start the dirt bikes. Which is weird I know.

I allowed the battery on my brother’s car to drain overnight to test this jump starter and I had no luck jump-starting the vehicle with this jump starter.

I thought, ok maybe I am doing something wrong. I looked up the manual and contacted Dewalt to just find out that this was a Black & Decker product just branded as Dewalt.

So I contacted Black & Decker and was asked to leave my name and contact number (6 times) so their “skilled technician” would contact me and help me to resolve my problem.

Well, today over 9 months have passed and I have not received a single call from Black & Decker. So do I recommend this product? Hell No!

  • Reverse polarity protection with alarm
  • Works only one time
  • Poor design
  • Low-quality internal battery and electronics
  • Might not work when in need
  • Customer support is not the strongest point

Best Jump Starter Terminology

I made this fun infographic to explain the terminology used by jump-starter manufacturers to sell their products.

best jump starter

What makes the best jump starters?

After testing these jump starters for more than 100 hours, I have concluded some factors that make a jump starter one of the best jump starters.

Power

You want a jump starter that is going to have enough power to jump-start your vehicle even if your car battery is completely flat. A jump starter is a tool and there is no point in having a jump starter with you if it can’t jump-start a car with a dead battery.

Finding the power output of a jump starter can be quite tricky because of all the numbers, like “peak amps” or “joules” manufacturers put on their units for marketing’s sake.

It’s good for them because this way they impress more people and sell more units but not so good for an average consumer who has a hard time finding a perfect jump starter for his/her vehicle.

Peak amps don’t matter. Always look for cranking amps (CA) or cold cranking amps (CCA) if you live in a colder climate.

Let’s break this down into simple terms that most of you guys can understand. Jump starter has two jobs to do when starting a vehicle with a dead battery:

  • Providing power to the car’s electronics, computer, engine oil pump, and fuel pump.
  • Providing power to the starter motor which moves the crankshaft and starts the engine.
This chart shows the actual representation of Peak Amps vs Cranking Amps.

So instead of the peak amps, you should be looking at cranking amps (or cold cranking amps if you live in a cold place) because the higher the cranking amps a jump starter provides, the more power will be there to start a bigger engine.

Also note that if you live in an area where it’s cold most of the year, like Alaska or North Dakota or any other place where it is mostly winter year around, you want to look into cold-cranking amps of any jump starter you want to buy.

This tells how much a jump starter can output at 0-degree Fahrenheit or -18 degrees celsius for 30 seconds without dropping below 7.2 volts. In winter, the engine oil is usually thick which causes more resistance in the engine. This requires more power to start it. 

A jump starter should have enough power to start your vehicle multiple times even if it has a dead battery.

This is why I tested all the jump starters by completely disconnecting the vehicle’s battery (which was a known good battery) so the only thing starting the vehicle was the jump starter itself.

This gave real results for a situation that any automotive owner simply doesn’t want to face. Any jump starter that is going to start a vehicle with a completely dead battery can also jump-start a vehicle with a weak battery.

Safety

Safety should be your priority when shopping for a jump starter because this way you are sure that nothing bad is going to happen even if you connect it to the car in the wrong order.

A good jump starter should have safety features like reverse polarity protection so it won’t damage your car or cause fire, even if connected in the wrong order.

This also means that you can give it to anyone and not worry about anything because they are not going to mess up their car or the jump starter pack.

For me, reverse polarity doesn’t matter, because I am good with cars so I know what I am doing, even if I am in my sleep.

But I won’t give a jump starter without reverse polarity to someone who doesn’t know much about how cars work. They can damage the car or even short out the lithium battery and cause fire or explosions.

Durability & Portability

When it comes to the durability of any jump starter pack, the jumper clamps are the only part that is going to take the most beating.

In my testing, I found out that jumper clamps that were made out of metal were not only durable but better at applying constant pressure to the battery post. This ensures a secure connection between the jump starter and the battery.

Metal clamps apply more pressure to battery posts and ensures a good connection.

The jumper clamps that are made out of plastic are not bad but they don’t feel as sturdy and flex a bit when connected to the battery post. There might be some durability issues with jumper clamps made out of plastic down the road.

The jumper clamps that are made out of plastic but have a metal pin in the hinge are sturdier than the ones that are completely made out of plastic.

The second thing I think that might have trouble is the socket where the jumper cables connect to the battery pack. Luckily, all of these sockets are well-built and don’t seem like they are going to get loose or get out of place.

All of the jumper sockets are built well and I found no durability issues there.

Almost all jump starter comes with a carrying case or pouch of some sort to store the jump starter pack and the accessories together.

Small plastic clamps work best on smaller battery posts on motorcycles, dirt bikes, and ATVs.

I found out that the hard-style carrying cases that come with some of the jump starters not only improves portability, but also ensures that nothing gets damaged when stored in the car.

Accessories

Some of the jump starters come with different dc jacks and phone charging cables. These are always a welcome addition but they take up extra space and you are going to lose them in some time – I lost most of mine in a couple of months.

Versatility

I think that a jump starter should do more than just start your car when you need a jump. The modern-day jump starters are lightweight and portable which is all thanks to the lithium battery technology.

These jump starters are not much different than power banks that we use to charge our phones or tablets or even laptops. So it is always a good idea to make sure that the jump starter you are going to buy has a couple of USB ports to charge your tablet or smartphone

Jump starters can also help you make that emergency phone call even if your phone’s battery is dead.

Because you never know when you need to make a phone call, share your location or call emergency services and your phone battery is dead. Some jump starter models also have a 12v dc out to power other 12v appliances. Also, almost all jump starters have built-in flashlights, though some models are brighter than others.

Some jump starters have a tire inflator built-in or come separately (as an accessory). In my opinion, these are not gimmicky but can prove quite useful when you need that little bit of air in your tire to drive to the nearest auto shop.

When talking about gimmicks, wireless charging in a jump starter does not make any sense at all. You can’t hold your phone and the fat jump starter at the same time. Or if you do, you will look ridiculous. 

Value for money

You should never spend your money on any product or feature that you are never going to use or take full advantage of. This is no different when it comes to jump starters.

Jump starter is a tool and like all good tools, it should do its job every-time you need it and last a long time.

If you own a sedan or a small car and don’t plan to buy a truck anytime soon, then you should not waste your money by buying a jump starter that is rated for a 7L gasoline or diesel engine.

Similarly, if you plan on buying a truck (or a vehicle with a large engine size) soon, then it is probably a good idea to buy a jump starter that can easily jump-start it.

More powerful jump starters are safe to use on smaller engines because the jump starter is only going to provide the necessary current that is needed when jump-starting a vehicle.

If you’re also looking for a shop vac, read our in-depth review of the best wall mount shop vac.

Frequently Asked Questions About the Best Jump Starters

These are the questions that people asked me during my testing. I thought it would be a good idea to include these here so anyone can benefit from them.

I have jumper cables. Why do I need a jump starter?

If you can’t start your vehicle and you have jumper cables with you, you also need another car (from a friend, family, or stranger) to jump-start your car. But if you have a jump starter, all you need to do is connect it to your vehicle, and just start it as you would normally do. You don’t have to wait for another person with a car (who is willing) to park near your car and give it a jump. Carrying a jump starter can save a lot of time and hassle. And you can even help others and save their day. Be their superhero.

How jump starter works?

Jump starter works by supplementing the power (in form of Amps) to the vehicle’s battery that is too weak to start the vehicle on its own.
After connecting the jump starter to a vehicle with a dead or a bad battery, you would just start your vehicle as you would normally do. You do not need to remove any cables or unscrew any terminals.

How to connect the jump starter?

It is very simple and really easy. Just connect the red jumper clamp to the positive post on the battery and the black jumper clamp to the negative post.
Some jump starters have reverse polarity protection so if you ever connect the cables in the wrong order, the jump starter will not provide any power and damage anything in the vehicle.

What jump starter do I need?

It depends on the engine size of the vehicle you drive. For sedans, you would generally need a jump starter that can provide around 300-400 cranking amps to start the engine. If you have a bigger truck with large displacement engines, you will need something more powerful with 700 or more cranking amps or more. 
Also note that diesel engines require more power than their gasoline equivalents. This is because the ignition systems are different in both engines.
Gasoline engines use spark plugs instead of glow plugs in the diesel engines. Glow plugs require more electrical energy to glow hot requiring more cranking amps.

Can you use a jump starter on a motorcycle?

Absolutely yes. I have tested some of these jump starters on motorcycles and they work great. You just have to check the clamp size before buying a jump starter for your motorcycle or ATV. Small jumper clamps work better on the battery posts on motorcycles or ATVs than on big ones.

Can you jumpstart a boat?

Yes. Anything that has an engine and a starter motor can be jump-started. You just need the right jump starter with enough cranking amps to do the magic trick: jump-starting it. How much cranking amps do you need to start the boat depends on what motor or engine you have. 

Can I take a jump starter on a plane?

If your jump starter has a total capacity of less than 100wh, then you are allowed to take it with you on the plane. 100wh is usually equivalent to 26,000 mah.

Can you overcharge a jump starter?

You can not overcharge a modern jump starter due to all the overcharge protection circuitry built into the battery pack. This prevents the lithium battery inside from catching on fire or causing unwanted explosions. 

Can you jumpstart a car in the rain?

Yes, you can jump a car in the rain. Is it going to be safe? Well, the 12V of a jump starter is nothing to worry about even in the rain. Also, the car’s hood is going to offer some protection from rainwater. Just don’t slip in the mud and you should be safe.

Can a jump starter damage my car?

If you connect the jump starter the wrong way, and the jump starter you are using does not have any reverse polarity protection, then it is going to send the 12volts to the car in the wrong order. This is probably going to fry the sensitive electronic components that run on 5 volts like the ECU. 

Similarly, if you use a 24V jump starter on a 12V car, you are going to fry the sensitive electronics or even the starter motor.

A simple way to tell if your car is 12V or 24V is by looking at the battery inside. Usually, if there is one battery inside the vehicle then it is probably a 12V system and if there are two batteries, it is a 24V system. You can also look on the battery sticker so see the voltage.

Is it safe to keep portable jump starters in a car?

Yes. Portable jump starters are designed to be stored in a car. Just don’t park your car under the direct sunlight because that can lead to the inside temperature rising too high.

No matter how good protection is there in a jump starter, lithium batteries are lithium batteries and if they are exposed to too much heat for a long period, they are going to go bad. Or even catch on fire and explode.

Why does my car battery keep dying?

Don’t buy a jump starter if your car battery keeps dying without you doing anything wrong. Your car battery has gone bad and needs replacement. I would recommend you buy a maintenance-free battery.

Can jump starter start an automatic transmission car? 

Yes. Jump starters can start an automatic transmission car just fine. Jump starters are just like car batteries (but on steroids, the good kind tho) and so there shouldn’t be any problem there.

How many times can I use a jump starter before it needs recharging?

It depends on what jump starter you are using. Most jump starters can provide more than a couple of jumps before they need to be recharged. The Noco GB 40 can jumpstart a medium-sized truck (with a completely flat battery) for around 5 to 7 times before needing another charge.

Are jump starters safe to use on hybrids?

Yes. Hybrid cars also have an engine and a separate 12v battery which is used to start that engine and power all the electronics. I tested the jump starters on a 2016 Toyota Camry Hybrid and found the jumpstarters to be safe for this car. 

Best Jump Starters Conclusion

After testing all of the jump starters from different manufacturers, I have come to know that price and size don’t indicate the power output and performance of a jump starter.

The Noco Genius Boost GB40 is one of the best jump starters. By spending a little more, you get metal jumper clamps, a wall charger and a car charger, and overall a more durable jump starter that is definitely going to last you a long time.

Photo of author

About Frank Diaz

Hi everyone, my name is Frank Diaz and I am the face behind GaragestPicks. I studied Mechanical Engineering at Georgia Institute of Technology and worked as a mechanic for over 20 years. I love working on cars and doing DIY projects around the house. I write this blog to share my knowledge and help others fix their cars with most common tools.

23 thoughts on “I Tested 19 of the Best Jump Starters: These 3 are the Best”

  1. I’m curious what your thoughts on the difference between the JNCAIR 1700 & the JNC550A is the 1700 worth an extra $100 or not? Thanks for your time and effort on this

    Reply
    • Hi Will. Hope you are doing good!!

      JNCAIR550A is already bulky. And 1700 is going to be more on the heavy side as it packs more cranking amps. If portability is not a buying factor or you want to have this jump starter a specific place, let’s say your garage, then yes it is fine.

      But there are better options in that price range. For example, Noco GB70 is like $180 on Amazon and has 2000 cranking amps. Rugged Geek also has great, feature-rich jumpstarters for the price.

      In the end, it comes down to what car (or cars) you have and how many cranking amps they need.

      Reply
  2. Thanks for all these reviews. Can you recommend a jump starter for our 2013 Honda Odyssey Touring and our 2012 Toyota Highlander. My wife and I would both like one in each car. We’re in Chicago so the weather can can get very cold at times -20 below but that’s rare. Not sure if the rugged geek is something we should consider but it looks like the price came down to $79.99. What do you suggest?

    Reply
    • Hey Saul! Hope you are doing great!

      When it comes to choosing a jump starter it all depends on the engine of your vehicle and the cold cranking amps required to start it. This rating is not something to get confused about and it can be found on your vehicle’s battery.

      For your vehicles, both the Rugged Geek and Noco are really great options.They pack a lot of power and are really reliable. I have been using mine for more than a year now and it never let me down!

      And if you want to spend a little less, then NEXPOW 1500 is also a pretty great deal right now.

      Reply
  3. Like to hear your opinion of the imazing im29 seems up to date and with 2500 amps plenty powerful. Just don’t know what the actual numbers are. Thanks

    Reply
    • Hi Douglas
      Hope you are doing good!

      Imazing IM29 seems a good jump starter with good power and decent reviews on Amazon. Unfortunately I have not owned one yet, so I can not tell you the exact peak amperes (current) of this jump starter. In my testing I have found out that good-brand jump starters deliver around 70 to 80 percent of advertised peak ampares. In your case if it even delivers 60 percent of the advertised power, it will still be sufficient enough to jump start a 7 liter gasoline and a 5 to 6 liter diesel engine. It also has flashlight, built in usb ports and comes with a charger.

      In my opinion, its a great jump starter for $99 and I would personally buy this for myself.

      Reply
  4. Great job man! Really appreciate the detail. I think it should be titled “A DISSERTATION on Jump Starters as of 2020.” It is the most thorough, detailed, and as far as I can tell, unbiased review of jump starters anywhere that I have come across. I kick myself for having spent hours watching “Top 10 Jump Packs/Starters” videos on YouTube, that I now realize are just Amazon affiliate traps, as they offer no testing, comparison, or pro/con summaries like you have.
    You have obviously done a LOT of hard and honest work on this, and I have bought three jump-starters from your recommendations. They are Noco GB150, RG2000 and the Nexpow 1500A. They are perfect for my vehicles and I love them.

    Thank you for putting this together.

    Todd

    Reply
    • Thanks Todd! I am happy to know that you are satisfied with my recommendations! Noco GB150 is really a beast when it comes to portable jump starters and could jump start anything. I love the features of RuggedGeek RG2000 and the fact that it has a usb-c port. Makes life so much easier! And the Nexpow 1500A is a great and hard to beat budget jump starter!

      Have a nice day!
      Frank D.

      Reply
  5. First off Frank, I want to congratulate you for writing the best review on jump starters that I have read, and Ive read a ton of them. In fact of all the research that I have done on many items from computers, to phones to pretty much anything. Your reviews are so darn good and easy to understand. If every tester/reviewer wrote reviews as good as yours, I’d feel like a genius.

    I own a 2003 Ford F250 with a 7.3 liter diesel engine. I have replaced both batteries with brand new ones but for some reason, everytime I need to use the truck (about once every 2 months), both batteries are completely dead. You mentioned that if my truck has 2 batteries then it’s probably a 24V system. Is this true for my ford F250 pickup because I was told it was a 12V system?

    I had purchased a NOCO GB150 but it was defective and would not accept a charge. Then it took over 2 months for the company to refund my money. Therefore I am a little worried about buying another one. I am considering buying a RuggedGEEK RG2000 Sport or a Beatit QDSP. Will either of these work well on a totally dead battery on my Ford F250 7.3 liter diesel?

    Finally Frank, what are your thoughts on the new Ultracapacitor/Super Capacitor jump starters? I read where they can even be charged by a weak battery and that sounds great to me. I don’t really need all the other usb charging capabilities since I already have a USB back up power supply.

    Thanks again for the many many hours of testing that you did. Best review ever! All the best to you Frank.

    Reply
    • Hi James. Thanks for your valuable feedback.

      As far as I know, the 7.3-liter diesel engine featured in the 2003 Ford F250 used a 12V system. But if you had got done any modifications to it, it might be a 24v system now. Can you check the batteries and see if they are connected in series or parallel? I bet they are connected in parallel to double the cranking amps provided by the batteries. But, if the batteries are connected, in series, your truck has a 24v system.

      When it comes to jump-starting a big diesel engine, you need a lot of cranking amps! RuggedGeek and Beatit QDSP would be able to start this diesel engine with a weak battery. But with a completely dead battery, I don’t think these two jump starters stand a chance.

      I would recommend you to go with Noco GBX155. It retails for $350 on Amazon. I just bought one to do my testing for diesel engines. So far, it has had no problem starting big diesel engines with batteries entirely disconnected from vehicles. The reviews will be coming soon on this blog.

      Reply
  6. GREAT REVIEWS.Bought a NEXPOW G17 2000A and like many offshore items, the instruction manual stinks.Did not see any comments in your reviews about this. Thanks for a complete technical multi-unit review.

    Reply
    • Thanks, Bob, for the feedback!
      I strongly agree with you about the instruction manual. It is the case with almost all of the jump starters. It is why I did not feel the need to talk about it in my reviews.
      In my upcoming reviews, I will talk about instruction-manuals and how friendly they are to normal human beings.

      Reply
  7. Frank,
    Nice piece of work — very useful for making the decision.
    I understand the cranking and cold cranking amps. However, very few of the portable (Li) jump starter manufacturers publish the specs. They only talk peak amps.

    Is there a “rule of thumb” (say 40-50%) to take peak to cranking amps?

    Personally, I do not like the units that use pin style input to charge the starter. While they recharge the jump starter faster, I do not want another single use charger. The USB (micro or type c) input can use a charger that is widely used and I can use someone else’s in a pinch..

    Reply
    • Thanks, Kevin. I feel good when I read comments like yours. It means that I have succeeded in providing authentic, genuine reviews.

      It is hard to know cranking amps from just looking at the specs of a jump starter. It is because every manufacturer uses different lithium cells or batteries and internal circuitry. Generally, I would say that “cranking amps” are somewhere between 30-50% of “peak cranking amps” claimed by the manufacturer.

      With some Chinese re-brands or unknown jump starters, this number could be much lower than 30%.

      Reply
  8. Have you come across a car jumper with USB-C out but with more than 65W? I saw the one you reviewed with 60W, but I’m needing one with 65+

    Reply
    • I have to yet find one that actually outputs 100W through USB-C.

      Recently I bought a cheap chinese jump starter that claimed to output 100W through its USB-C. But when I tested, I found out that it can only deliver 18W. Which is certainly enough to charge a phone but certainly not enough to charge a laptop.

      If you ever find one that does deliver 100 watts through its USB-C port, please do let me know. I would love to check it out.

      Reply
  9. Hello Frank. Thanks for testing and putting out results of these compact jump starter + power banks for the world wide web. I noticed that a lot of people were concerned about prolonged storage of these devices, and i was wondering if you have tested leaving the jump starters for weeks/months and see if they held their charge and were able to jump start vehicles?

    Also, what do you think of the GOOLOO GE1200? Amazon link to product: https://amzn.to/3jFzxYv

    Best Regards!

    Reply
    • Hey Justin. Thanks for the feedback!

      In my testing, the prolonged storage and charge holding capabilities of all jump-starters were way better than what I originally thought. Although they all have internal electronics like BMS, charge controller, and high current power delivery system, they all survived well over 3-months of storage in the car and at least gave one successful jump start to a vehicle with a dead battery.

      GOOLOO GE1200 is an excellent product, and I would recommend it to anyone with a medium-sized (3 to 4.6 liters) gasoline engine. At $70, I think it is better than most and competes neck to neck with Nexpow 2000A which offers similar performance.

      In my review, I have mentioned the jump starters that you should stay away from.

      Reply
  10. Hello Frank
    Many Thanks for what you’ve. This is by far the best rvew of jump starters I’ve found.
    do you hve any thoughts on the the Duracell 1100
    https://www.duracellpower.com/products/duracell-bluetooth-lithium-ion-jump-starter
    It’s $79.99 at Costco.
    The Type S 12V 6.0L Jump Starter with Qi Wireless Power Bank
    https://www.amazon.com/Type-Lithium-Portable-Wireless-Charging/dp/B08XB2NL86?th=1
    $69.99 t Costvo
    and the AVAPOW Car Jump Starter, 4000A Peak 27800mAh Battery Jump Starter
    https://www.amazon.com/gp/product/B0928VN98C/ref=ox_sc_saved_image_3?smid=A18BJ9L775L1OW&psc=1

    Reply
    • Hey Ron! I hope you are doing good!

      I have bought a bunch of new jump starter packs to test and update my reviews and recommendations in this blog post.

      I have not heard good things about the Duracell jump-starters. Maybe now is the I buy and test for myself.

      Type S jump starter is not something I would recommend to anyone. It is expensive, but not very powerful. There are far better options on the market which cost less and have more power than this one.

      In my opinion, AVAPOW 4000A is an excellent jump-starter, but it has its shortcomings. I have been testing this jump starter for a few months now, and it has been working great.

      If you are deciding between Type S or AVAPOW 4000A, I would recommend you buy the latter.

      It will take a few more days until I gather all my data and do more in-depth testing. Of course, in the original Frank-Style.

      Reply
  11. Too bad you did not include “Audew” in your testing.

    You would have found it the best of the lot.

    And there is NOTHING wrong with clamps that are of a good-quality plastic material for the ‘grips’. I much prefer them to the metal that ends up coroding after a few years.

    The “Audew” has been found by several testers (‘Projest Farm’ on YouTube comes to mind) to create the highest max-amps, and will easily start around 20 flat battery cars when fully charged.

    Reply
  12. Great article with a much needed detail that other reviewers miss.

    What are you thoughts on hulkman jump box? Do you think they can be comparable to NOCO in real world testing?

    Reply
  13. Hi Frank,

    Great to see all of the analysis on your tests. Looking at Nexpow 2000 and Noco GB40, it appears that the former has 2000 peak Amps and 66Wh capacity, while the Noco GB40 only has 1000 peak Amps and 24Wh. Wouldn’t that make the Nexpow a much better option for less money, or am I missing something?

    Cheers,
    Gabe

    Reply

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