AVAPOW TJ18 5000A
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.
Amazon $89.97$89.97
3.9/5
A small, very cheap pack for cars, SUVs and gas pickups up to 8 liters. A good glovebox spare if you don’t need fast charging.
- 8 L gas, 6 L dieselEngines
- 37 WhBattery
- YesOverride
- 1.2 lbWeight
- 1.5 yearsWarranty
Check price at Amazon$49.96
Price checked October 30, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Starts gas engines up to 8 L and diesels up to 6 L
- Boost mode jumps a battery too flat for the pack to detect
- Small and light enough for a glovebox at about 1.2 lb
- Works down to -4 °F
Cons
- No USB-C output for charging a phone or laptop quickly
- Takes 3 to 4 hours to recharge over a 15 W USB-C input
- No water resistance rating
The GOOLOO GP family
Every GOOLOO GP model we rank, smallest first. Ratings compare each against its own engine size.
| Model | Engines | Rating | Price |
|---|---|---|---|
| GOOLOO GP2000 (this one) | 8 L gas, 6 L diesel | 3.9/5 | $49.96 |
| GOOLOO GP3000 | 9 L gas, 7 L diesel | 4.1/5 | $59.95 |
| GOOLOO GP4000 | all gas, 10 L diesel | 4.1/5 | $79.96 |
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 | GP2000 |
|---|---|
| Starting | |
| Rated engines | 8 L gas, 6 L diesel |
| Peak amps (maker) | 2,000 A |
| Cranking amps | 400 A |
| Voltage | 12 V |
| Manual override | Yes |
| Lowest operating temperature | -4 °F |
| Battery and charging | |
| Chemistry | Lithium-ion |
| Capacity | 37 Wh |
| USB-C input | 15 W |
| Recharge time | 4 hours |
| USB outputs | USB-A QC 3.0 18 W, USB-A 5 V/2.4 A |
| Build | |
| Flashlight | Yes |
| Air compressor | No |
| Dimensions | 7.39 x 3.87 x 1.50 in |
| Weight | 1.2 lb |
| Warranty | 1.5 years |
| Released | 2023-08 |
Alternatives in this engine size
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
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
Compare
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