If you’re trying to pick between the GOOLOO G7, the GP3000, and the A2 for a portable jump starter, you’ve got a real choice to make. The G7 packs a built-in cable and 45W charging, the GP3000 is a proven workhorse with a 16,000mAh battery, and the A2 adds a 150 PSI air compressor into the mix.
This comparison is for anyone who needs a reliable jump box that can also charge their phone or inflate a tire on the go. The main trade-off is raw power versus versatility, and I’ll show you exactly which one fits your trunk best.
π Quick Picks β My Top Recommendations
Best Overall: GOOLOO GP3000
Highest rated with a 4.7-star average and a massive 16,000mAh battery for longer use β Check Price β
Best for Multi-Tools: GOOLOO A2
8-in-1 design with a built-in 150 PSI air compressor and 2500A peak current β Check Price β
Best for Convenience: GOOLOO G7
Built-in cable and 45W fast charging make it the easiest to grab and go β Check Price β
I’ve pulled the most important specs from each model so you can see exactly how the GOOLOO G7, GP3000, and A2 stack up side-by-side.
Full Specs Comparison
| Specification | GOOLOO G7 3000A Jump Star | GOOLOO Upgraded GP3000 Ju | GOOLOO A2 8-in-1 Jump Sta |
|---|---|---|---|
| Peak Current | β 3000A | 3000A | β |
| Engine Capacity | 8.5L Gas/6.0L Diesel | β 9L Gas/7L Diesel | 8L Gas/6L Diesel |
| Battery Capacity | β 12000 mAh | β | β |
| Voltage | β 12V | 12V | 12V |
| Battery Chemistry | Lithium Polymer | Lithium Polymer | Lithium Polymer |
| Vehicle Type | ATV, Motorcycle, Passenger Car, RV | β | Car, Truck, ATV, UTV, Dirt Bike, Snowmobile, SUV, Personal Watercraft, Motorcycle |
| Dimensions | β | β | β 4.84″D x 1.97″W x 6.54″H |
| Charging Port | β 45W Fast Charging | USB Quick Charge, Type-C | β |
| Air Compressor | β | β | β 150 PSI |
| Functions | Jump Starter | Jump Starter | β 8-in-1 |
| Color | Black | Red, Yellow | Black |
The biggest spec difference I see is battery capacity: the GP3000 packs a 16,000mAh cell, while the G7 has 12,000mAh and the A2 comes in at 10,000mAh.
Individual Product Breakdown
I spent time digging through the specs, ratings, and real-world feedback for each of these GOOLOO jump starters to give you an honest take on where each one shines and where it falls short.
GOOLOO G7 3000A Jump Starter with Built-in Cable
3000A Peak | 12,000mAh | 45W Fast Charging | Up to 8.5L Gas/6.0L Diesel
- User-Friendly & Portability: The G7 jump box is designed to be compact and...
- Powerful Jump Start Performanc: Equipped with a 12,000mAh battery, this G...
The G7 is the most user-friendly option of the bunch thanks to its built-in cable β no digging around for clamps when your battery is dead. I love the 45W fast charging for phones and tablets, which is significantly faster than the GP3000’s 15W USB-C port. The trade-off is a smaller 12,000mAh battery and a lower 4.3-star rating from only 95 reviews, so it hasn’t been battle-tested as much as the others. This is the one I’d grab for quick, no-fuss jumps and fast device charging on road trips.
β Pros
- Built-in cable means you can’t lose the clamps
- 45W fast charging for phones and tablets
- Rated for 1000 battery cycles for long life
- Works in extreme temps from -20Β°C to 60Β°C
β Cons
- Only 12,000mAh battery β smaller than the GP3000
- Limited to 8.5L gas engines, less than the GP3000’s 9L
- Fewer reviews (95) means less long-term data
GOOLOO Upgraded GP3000 Jump Starter 3000A Peak Car Starter
3000A Peak | 16,000mAh | Up to 9L Gas/7L Diesel | 4.7 Stars (4,260 Reviews)
- 3000A PEAK POWER FOR ANY 12V VEHICLE: Powered by GOOLOO JUMPCORE...
- 10-LAYER SAFETY BATTERY JUMP PACK TECHNOLOGY: Powered by GOOLOO SUPERSAFE...
The GP3000 is the clear crowd favorite with a 4.7-star average from over 4,260 reviews β that’s a lot of happy customers. It packs the biggest battery of the three at 16,000mAh and can handle up to 9L gas or 7L diesel engines, giving it the most raw starting power here. I also like the “BOOST” mode that kicks in when a battery drops below 9V, and the 15W USB-C port charges phones 50% faster than standard ports. My only real complaint is the lack of a built-in cable like the G7 has, but the included heavy-duty clamps are tested for 10,000 uses.
β Pros
- Highest battery capacity at 16,000mAh for multiple jumps
- Starts up to 9L gas and 7L diesel engines
- Proven reliability with 4,260 ratings at 4.7 stars
- BOOST mode for dead batteries below 9V
β Cons
- No built-in cable β you have to connect the clamps manually
- 15W charging is slower than the G7’s 45W
- Bulky at 1.4 pounds and 8.98 inches long
GOOLOO A2 8-in-1 Jump Starter with Air Compressor
2500A Peak | 10,000mAh | 150 PSI Air Compressor | Up to 8L Gas/6L Diesel
- 8 in 1 Jump Starter with Air Compressor οΌThe GOOLOO A2 is a versatile...
- Compact yet powerful : The GOOLOO A2 jump pack for car battery is designed...
The A2 is the Swiss Army knife of this group β it’s a jump starter, tire inflator, and power pack all in one compact body. The built-in 150 PSI air compressor with auto shut-off is a genuine lifesaver when you have a low tire, and it pumps at 35L/min which is speedy for topping off. The trade-off is a smaller 10,000mAh battery and lower 2500A peak current, so it won’t start the biggest trucks or diesel rigs like the GP3000 can. For daily drivers and SUV owners who want one tool that does it all, this is a solid pick.
β Pros
- 8-in-1 design includes a 150 PSI air compressor
- Auto shut-off on the inflator prevents over-inflation
- Compact at 4.84 inches deep and easy to store
- Bright LED light with SOS and red strobe modes
β Cons
- Smallest battery at 10,000mAh β fewer jumps per charge
- Only 2500A peak, so it won’t start big diesel trucks
- Heaviest at 2.8 pounds due to the air compressor
Which One Should You Buy?
I’ve tested the specs on all three, and the right choice really comes down to what you drive and what else you need that jump box to do. Here’s how I’d match each model to a specific buyer.
GOOLOO G7 3000A Jump Starter with Built-in Cable is right for you if…
- You want the fastest device charging β the 45W USB-C is great for topping off a laptop or tablet on a road trip
- You hate fumbling with separate jumper cables and prefer the convenience of a built-in clamp
- You drive a standard passenger car or SUV up to 8.5L gas or 6.0L diesel and want a compact 12,000mAh unit
GOOLOO Upgraded GP3000 Jump Starter 3000A Peak Car Starter is right for you if…
- You own a large truck, RV, or boat with up to a 9L gas or 7L diesel engine that needs serious cranking power
- You want the most proven model with over 4,260 ratings and a 4.7-star average
- You need the biggest 16,000mAh battery for multiple jump starts between charges
GOOLOO A2 8-in-1 Jump Starter with Air Compressor is right for you if…
- You want one tool that jumps your car and inflates tires up to 150 PSI with auto shut-off
- You drive a smaller car, ATV, or motorcycle where the 2500A peak and 10,000mAh battery are plenty
- You want emergency lighting with SOS and strobe modes for nighttime roadside help
β Who Should Skip All of These?
If you’re driving a heavy-duty diesel truck over 7L or need to jump-start commercial equipment, none of these 3000A models will cut it β you’ll want something with a bigger battery and higher peak amperage. Also, if you only need a tire inflator and never jump-start cars, a dedicated air compressor will be lighter and cheaper.
For the vast majority of daily drivers and weekend adventurers, my pick is the GP3000. It has the highest 4.7-star rating, the biggest 16,000mAh battery, and enough power to handle almost any 12V vehicle you’ll encounter.
Frequently Asked Questions
Which is better for a large truck, the G7 or the GP3000?
The GP3000 is the better choice for a large truck without question. It can handle up to 9L gas or 7L diesel engines, while the G7 maxes out at 8.5L gas and 6.0L diesel. The GP3000 also packs a bigger 16,000mAh battery compared to the G7’s 12,000mAh, giving you more cranks before needing a recharge. I wouldn’t trust the G7 with a heavy-duty pickup or a big RV.
Is the GOOLOO A2 worth it over the GP3000 if I need a tire inflator?
Yes, but only if you actually need that air compressor. The A2 gives you a 150 PSI inflator with auto shut-off that the GP3000 simply doesn’t have. The catch is that you sacrifice battery capacity β the A2 has 10,000mAh versus the GP3000’s 16,000mAh β and peak current drops from 3000A to 2500A. If you drive a standard car and want one tool for jumps and tire top-offs, the A2 makes sense, but if you drive a big truck, stick with the GP3000.
Which GOOLOO jump starter charges my phone the fastest?
The G7 is the clear winner for fast device charging. It supports 45W fast charging, which is three times faster than the GP3000’s 15W USB-C port. The A2 doesn’t advertise a specific fast-charging wattage, so the G7 is your best bet if you want to quickly top off a laptop or tablet while on the road.
Is the G7 worth the extra money over the GP3000?
That depends on what you value. The G7 has a built-in cable and 45W fast charging, which are genuinely convenient features you won’t get with the GP3000. But the GP3000 has a bigger 16,000mAh battery, a higher 4.7-star rating from over 4,260 reviews, and can start bigger engines up to 9L gas. For most people, I think the GP3000 offers better value because of its proven reliability and larger capacity.
Can the GOOLOO A2 jump-start a diesel truck?
It depends on the size of the diesel engine. The A2 is rated for up to 6L diesel engines, so it can handle a smaller diesel pickup or SUV. But if you’re driving a heavy-duty diesel truck with a 7L or larger engine, you need the GP3000 which handles up to 7L diesel. The A2’s 2500A peak current just isn’t enough for big diesels.
Which model is best for a compact car or motorcycle?
Any of these three will work fine for a compact car or motorcycle, but the A2 is my top pick for that use case. Its 2500A peak and 10,000mAh battery are plenty for small engines, and the built-in 150 PSI air compressor is perfect for topping off motorcycle or car tires. Plus, it’s compact at 4.84 inches deep and includes a red strobe light for visibility on the roadside.
My Final Verdict
After comparing all three, the GOOLOO GP3000 is my clear winner. It has the highest 4.7-star rating from over 4,260 reviews, the biggest 16,000mAh battery, and it can handle the largest engines at up to 9L gas or 7L diesel. The A2 is the runner-up for anyone who wants the added convenience of a 150 PSI air compressor, while the G7 is best for those who prioritize 45W fast device charging and a built-in cable.
If you’re still on the fence, ask yourself this: do you need one tool that does everything, or do you want the most reliable jump starter with the most power? For raw jump-starting performance you can trust year after year, the GP3000 is the one I’d put in my trunk.
Best Overall: GOOLOO GP3000
- 3000A PEAK POWER FOR ANY 12V VEHICLE: Powered by GOOLOO JUMPCORE...
- 10-LAYER SAFETY BATTERY JUMP PACK TECHNOLOGY: Powered by GOOLOO SUPERSAFE...
For the driver who wants proven reliability, the most starting power, and the biggest 16,000mAh battery. This is the one I’d recommend to most people.
Best Multi-Tool: GOOLOO A2
- 8 in 1 Jump Starter with Air Compressor οΌThe GOOLOO A2 is a versatile...
- Compact yet powerful : The GOOLOO A2 jump pack for car battery is designed...
Perfect for daily drivers who want a jump starter and a 150 PSI tire inflator in one compact box. Great for topping off tires on the go.
Best for Convenience: GOOLOO G7
- User-Friendly & Portability: The G7 jump box is designed to be compact and...
- Powerful Jump Start Performanc: Equipped with a 12,000mAh battery, this G...
Ideal for anyone who values a built-in cable and 45W fast charging. Best for small to midsize vehicles up to 8.5L gas engines.
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