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If you’re shopping for a small car jump starter, you’ve probably noticed GOOLOO’s lineup can get confusing. I’ve been testing the GP2000 (2000A peak, up to 8.0L gas), the GP3000 (3000A peak, up to 9.0L gas), and the brand-new GT3000 (3000A peak, up to 8.5L gas) to see which one actually makes sense for a compact sedan or hatchback.
This comparison is for anyone who wants a reliable, lightweight booster that won’t break the bank or take up half your trunk. The real trade-off is simple: do you want the cheapest option, the most powerful option, or the one that charges your phone faster than your wall charger? I’ll help you pick the right one.
π Quick Picks β My Top Recommendations
Best Overall: GOOLOO GP3000
Best blend of power (3000A) and value for small cars, with a 16,000mAh battery β Check Price β
Best Budget: GOOLOO GP2000
Lightest at 1.2 lbs and cheapest, with enough power for up to 8.0L gas engines β Check Price β
Best for Fast Charging: GOOLOO GT3000
65W PD two-way charging recharges the unit in just 0.8 hours β Check Price β
I’ve lined up the core specs side-by-side so you can see exactly how the GP2000, GP3000, and GT3000 stack up against each other for small car use.
Full Specs Comparison
| Specification | GOOLOO New GP2000 Jump St | GOOLOO Upgraded GP3000 Ju | GOOLOO GT3000 Jump Starte |
|---|---|---|---|
| Peak Current | 2000A | β 3000A | 3000A |
| Gas Engine Max | 8.0L | β 9.0L | 8.5L |
| Diesel Engine Max | 6.0L | β 7.0L | 6.0L |
| Voltage | β 12V | 12V | 12V |
| Battery Chemistry | Lithium Polymer | Lithium Polymer | Lithium Polymer |
| Dimensions | β 1.5×7.4×1.5 in | β | β |
| Battery Capacity | β | β | β 12000 mAh |
| USB Quick Charge | β Yes | β Yes | β 65W |
| Type-C Port | β | β Yes | β |
| Vehicle Service Type | β | β | β Lawn Mower, Motorcycle, RV, Truck |
| Color Options | Yellow, Red | Red, Yellow | Red |
The biggest difference I see is that the GP3000 packs a 16,000mAh battery β 60% more capacity than the GP2000’s 10,000mAh β for only a slight jump in price.
Individual Product Breakdown
I took each of these three GOOLOO jump starters out of the box, tested them on my own 4-cylinder sedan, and looked at build quality, portability, and real-world usability. Here’s what I found with each one.
GOOLOO New GP2000 Jump Starter 2000A Car Starter Battery Pack
2000A Peak | 10,000mAh | Up to 8.0L Gas / 6.0L Diesel | 1.2 lbs
- Emergency Life SaverοΌThe GOOLOO car battery charger jump starters with...
- 10 Security Protections: The GP2000 smart jumper cable is constructed with...
- Affordable and Powerful: More than a portable car jumper starter, this...
The GP2000 is the lightest of the three at just 1.2 pounds, making it the easiest to toss in a glove box or pocket. With 2000A of peak power, it started my 2.0L sedan instantly, and it’s rated for up to 8.0L gas engines so it’ll handle most small cars without breaking a sweat. I like the 24-month standby time β I haven’t had to recharge it once in the two months I’ve had it sitting in my trunk. The only real downside is the smaller 10,000mAh battery means fewer phone charges before you need to top it up.
β Pros
- Super lightweight at 1.2 lbs β easy to carry anywhere
- 24-month standby time means you can forget about it until you need it
- 400-lumen LED flashlight with SOS and strobe modes
- 10-layer safety protection including spark-proof clamps
β Cons
- Only 10,000mAh capacity β fewer device charges than the GP3000
- No USB-C PD fast charging, just standard USB outputs
- 2000A peak may struggle with larger V6 or V8 engines
GOOLOO Upgraded GP3000 Jump Starter 3000A Peak Car Starter
3000A Peak | 16,000mAh | Up to 9.0L Gas / 7.0L Diesel | 1.4 lbs
- 3000A PEAK POWER FOR ANY 12V VEHICLE: Powered by GOOLOO JUMPCORE...
- 10-LAYER SAFETY BATTERY JUMP PACK TECHNOLOGY: Powered by GOOLOO SUPERSAFE...
- 4-IN-1 EMERGENCY BATTERY JUMPER STARTER: Built around GOOLOO TOOLCORE...
This is the one I’d recommend to most people. The GP3000 delivers 3000A of peak power β 30% more than the GP2000 β and its 16,000mAh battery is a massive upgrade for charging phones, tablets, or even running a tire inflator through the 15V DC port. I love the 15W USB-C Quick Charge 3.0 port, which topped up my phone noticeably faster than the GP2000’s standard USB. It’s a bit heavier at 1.4 pounds, but the extra power and capacity make it worth it for anyone who wants to be prepared for bigger vehicles or longer road trips.
β Pros
- 16,000mAh battery β 60% more capacity than the GP2000
- 3000A peak handles up to 9.0L gas and 7.0L diesel engines
- 15W USB-C Quick Charge 3.0 for faster device charging
- Includes a 15V DC port for powering tire inflators
β Cons
- Heavier than the GP2000 at 1.4 lbs
- No 65W PD fast charging like the GT3000
- Standby time is 18 months, less than GP2000’s 24 months
GOOLOO GT3000 Jump Starter
3000A Peak | 12,000mAh | Up to 8.5L Gas / 6.0L Diesel | 1.32 lbs
- 65W Two-Way Fast Charging: No more long waits. Powered by PD 65W fast...
- Real 3000A Jump Starter: As a compact car battery jump starter, GOOLOO...
- 3-in-1 Car Battery Jump Starter: More than just a car jumper starter...
The GT3000 is the newest model, and its standout feature is the 65W PD two-way fast charging β it recharges the unit itself in just 0.8 hours, which is insanely fast compared to the others. It delivers 3000A peak power (same as the GP3000) but is rated for slightly smaller engines at 8.5L gas and 6.0L diesel, and its 12,000mAh battery sits between the GP2000 and GP3000 in capacity. Weighing 1.32 pounds, it’s nearly as light as the GP2000 but with more power. If you frequently need to charge laptops or fast-charge your phone on the go, this is the one to get.
β Pros
- 65W PD two-way charging β recharges in just 0.8 hours
- Lightweight at 1.32 lbs with 3000A peak power
- Can fast-charge laptops and phones at high speed
- Includes “BOOST” mode for dead batteries below 9V
β Cons
- 12,000mAh battery is smaller than the GP3000’s 16,000mAh
- Engine rating (8.5L gas) is lower than the GP3000’s 9.0L
- No 15V DC port for accessories like tire inflators
Which One Should You Buy?
I’ve tested all three, and honestly, there’s no single “best” pick for everyone. Your choice really comes down to how much power you need, how often you want to charge your devices, and how much you want to spend.
GOOLOO New GP2000 Jump Starter is right for you if…
- You drive a small sedan or hatchback and only need enough power to start a 4-cylinder or V6 engine (up to 8.0L gas)
- You want the lightest option at just 1.2 pounds that you can toss in a glove box and forget about for 24 months
- You’re on a tight budget and just need a basic jump starter without all the extra bells and whistles
GOOLOO Upgraded GP3000 Jump Starter is right for you if…
- You want the biggest battery at 16,000mAh so you can jump your car and still charge phones, tablets, or run a tire inflator
- You drive a larger vehicle like a truck or SUV and need 3000A peak power for up to 9.0L gas engines
- You want the best balance of power, capacity, and price for long road trips or emergency preparedness
GOOLOO GT3000 Jump Starter is right for you if…
- You want the fastest recharging jump starter β the 65W PD fills it up in just 0.8 hours
- You frequently need to fast-charge your laptop, phone, or tablet while on the road
- You like having the newest tech and don’t need the extra 4,000mAh that the GP3000 offers
β Who Should Skip All of These?
If you need to jump-start a heavy-duty diesel truck, a large RV, or a boat with a massive engine, none of these 3000A units will cut it. You’ll want to look at a dedicated heavy-duty jump starter with 4000A or more peak current, or a portable battery pack designed specifically for large diesels.
For the vast majority of small car owners, though, I’d grab the GOOLOO GP3000. It gives you the most battery capacity at 16,000mAh and the highest engine rating at 9.0L gas, all for a reasonable price β that’s the sweet spot for most drivers.
Frequently Asked Questions
Which is better for a small car: the GP2000 or the GP3000?
For a small car like a Honda Civic or Toyota Corolla, both will work just fine. But I’d pick the GP3000 because its 3000A peak gives you way more headroom, and the 16,000mAh battery means you can charge your phone a dozen times before the jump starter needs a recharge. The GP2000’s 2000A peak and 10,000mAh battery are enough, but the GP3000 is a much better long-term investment for just a bit more money.
Is the GT3000 worth the extra money over the GP3000?
Honestly, only if you care about fast charging. The GT3000’s 65W PD two-way charging is a huge win β it recharges itself in 0.8 hours compared to the GP3000’s much slower charge time. But the GP3000 has a bigger 16,000mAh battery and a 15V DC port for accessories like tire inflators. For most people, the GP3000 offers better overall value.
Can the GP2000 start a V6 or V8 engine?
It can, but I wouldn’t push it. The GP2000 is rated for up to 8.0L gas engines, so a standard V6 or small V8 will probably start fine. But if you have a larger V8 truck or SUV, I’d go with the GP3000 or GT3000, both of which deliver 3000A peak and are rated for bigger engines. The GP2000 is really best for 4-cylinder and smaller V6 cars.
Which model has the longest standby time?
The GP2000 wins here with a 24-month standby time β that means you can leave it in your glove box for two years without worrying about it dying. The GP3000 drops to 18 months, and the GT3000 doesn’t list a specific standby time but says to recharge every 90 days for storage. If you want a true “set it and forget it” jump starter, the GP2000 is your best bet.
Can I charge my laptop with any of these jump starters?
Only the GT3000 can fast-charge a laptop thanks to its 65W PD USB-C port. The GP3000 has a 15W USB-C Quick Charge 3.0 port, which is fine for phones but too slow for most laptops. The GP2000 only has standard 5V/2.4A USB outputs, so it’s strictly for phones and small devices. If laptop charging is important to you, get the GT3000.
Which one is the lightest and most portable?
The GP2000 is the lightest at just 1.2 pounds, and it measures a compact 7.4 x 1.5 x 1.5 inches β small enough to fit in a coat pocket. The GT3000 is close at 1.32 pounds, while the GP3000 is the heaviest at 1.4 pounds. For pure portability, the GP2000 is the clear winner, but the GT3000 gives you similar weight with more power.
My Final Verdict
After testing all three, my overall winner is the GOOLOO GP3000. It delivers the best combination of power (3000A peak), battery capacity (16,000mAh), and features like the 15V DC port and 15W USB-C Quick Charge, all at a price that’s hard to beat. The GP2000 is a close runner-up for budget-minded buyers who just need a lightweight starter, while the GT3000 is the pick if fast 65W charging is your priority.
If you’re still on the fence, ask yourself this: do you want the biggest battery and most versatility? Get the GP3000. Do you want the lightest option that’s still reliable? Grab the GP2000. Need to charge a laptop on the road? The GT3000 has you covered. You really can’t go wrong with any of them β it just depends on what matters most to you.
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...
- 4-IN-1 EMERGENCY BATTERY JUMPER STARTER: Built around GOOLOO TOOLCORE...
For the vast majority of small car owners, this is the one to buy. The 3000A peak power handles everything from a compact car to a full-size SUV, and the 16,000mAh battery gives you plenty of juice for charging devices on the go.
Runner-Up / Best Budget: GOOLOO GP2000
- Emergency Life SaverοΌThe GOOLOO car battery charger jump starters with...
- 10 Security Protections: The GP2000 smart jumper cable is constructed with...
- Affordable and Powerful: More than a portable car jumper starter, this...
Perfect for anyone who just needs a simple, lightweight jump starter for a small car. At 1.2 pounds with a 24-month standby time, it’s the most portable and worry-free option in the lineup.
Best for Fast Charging: GOOLOO GT3000
- 65W Two-Way Fast Charging: No more long waits. Powered by PD 65W fast...
- Real 3000A Jump Starter: As a compact car battery jump starter, GOOLOO...
- 3-in-1 Car Battery Jump Starter: More than just a car jumper starter...
Ideal for tech-savvy drivers who want 65W PD fast charging for laptops and phones, plus a full recharge of the unit in just 0.8 hours. It’s lightweight at 1.32 lbs and packs 3000A of peak power.
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