GOOLOO GP3000
A slim, inexpensive pack that covers most cars and gas pickups. A good value if you can live with a slow recharge.
Amazon $59.95$59.95
3.9/5
A big-screen pack for gas and diesel engines up to 8 liters with a force-start mode. Worth a look for diesel pickups, though support runs only through Amazon.
- 8 L gas, 8 L dieselEngines
- YesOverride
- 2 yearsWarranty
Check price at Amazon$89.97
Price checked October 22, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Starts gas and diesel engines up to 8 L
- Force Start jumps a battery too flat to be detected
- Large 4-inch screen shows readiness and wiring errors
Cons
- No maker website; specs and support only via Amazon
- Battery capacity not published
- Slow 18 W USB-C recharge
How it scores
The rating comes from 4 measured or published factors, each scored 0-100 against fixed reference points for its engine size. How we rank explains each one.
Specifications
| Model number | TJ18 |
|---|---|
| Starting | |
| Rated engines | 8 L gas, 8 L diesel |
| Peak amps (maker) | 5,000 A |
| Voltage | 12 V |
| Manual override | Yes |
| Battery and charging | |
| Chemistry | Lithium-ion |
| USB-C input | 18 W |
| USB outputs | USB-C 18 W, USB-A 18 W (5 V/3 A, 9 V/2 A, 12 V/1.5 A), 12 V DC 10 A, EC5 |
| Build | |
| Flashlight | Yes |
| Air compressor | No |
| Warranty | 2 years |
Alternatives in this engine size
GOOLOO A3
A low-cost combined jump starter and tire inflator that handles most cars and gas pickups. A sensible single roadside tool for most drivers.
Amazon $69.96$69.96
TOPDON JS3000
A truck-capable pack for gas engines up to 9 liters that doubles as a 45 W USB-C laptop power bank. Worth it if you want TOPDON quality and a carry case.
Amazon $139.99$139.99
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