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
3.7/5
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.
- 9 L gas, 7 L dieselEngines
- YesOverride
- 1 yearWarranty
Check price at Amazon$139.99
Price checked October 22, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Starts gas engines up to 9 L and diesels up to 7 L
- Recharges in a couple of hours from a 45 W USB-C laptop charger and can charge a laptop
- Boost mode jumps a fully flat battery
- Works down to -4 °F
Cons
- Bulky next to newer packs of similar power
- One-year warranty
- Capacity is published only in mAh
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 | JS3000 |
|---|---|
| Starting | |
| Rated engines | 9 L gas, 7 L diesel |
| Peak amps (maker) | 3,000 A |
| Cranking amps | 750 A |
| Voltage | 12 V |
| Manual override | Yes |
| Lowest operating temperature | -4 °F |
| Battery and charging | |
| Chemistry | Lithium-ion |
| Capacity (mAh) | 24,000 mAh |
| USB-C input | 45 W |
| USB outputs | USB-C 45 W, USB-A QC 18 W, USB-A 5 V/2 A, 16.8 V DC 10 A |
| Build | |
| Flashlight | Yes |
| Air compressor | No |
| Water resistance | IP54 |
| Dimensions | 11.18 x 5.79 x 4.72 in |
| Warranty | 1 year |
Alternatives in this engine size
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
TOPDON JumpSurge 2000Pro
A mid-size pack with a boost mode for cars, SUVs and gas pickups up to 8 liters. Good if you want a protective case and a trusted brand, but it recharges slowly.
Amazon $99.99$99.99
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