GOOLOO A5
#6 in Heavy dutyFull review
A combined jump starter and tire inflator rated for any gas engine and most diesel pickups. A good single roadside tool for truck and SUV owners.
Amazon $99.96$99.96
4.1/5
A slim, low-priced pack rated for any gas engine and big diesels. A strong value for truck owners who can live with an overnight recharge.
- all gas, 10 L dieselEngines
- 74 WhBattery
- YesOverride
- 1.8 lbWeight
- 1.5 yearsWarranty
Check price at Amazon$79.96
Price checked October 30, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Rated for every gas engine and diesels up to 10 L
- Boost mode jumps a deeply drained battery
- Slim and light for its power at under 2 lb
- Runs 12 V gear from its 15 V, 10 A DC port and comes with an EVA case
Cons
- Slow recharge: 6 to 8 hours over 15 W USB-C, and no charger in the box
- USB-C output is only 15 W, too slow for a laptop
- 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 | 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 (this one) | 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 | GP4000 |
|---|---|
| Starting | |
| Rated engines | all gas, 10 L diesel |
| Peak amps (maker) | 4,000 A |
| Cranking amps | 800 A |
| Voltage | 12 V |
| Manual override | Yes |
| Lowest operating temperature | -4 °F |
| Battery and charging | |
| Chemistry | Lithium-ion |
| Capacity | 74 Wh |
| USB-C input | 15 W |
| Recharge time | 8 hours |
| USB outputs | USB-C 15 W, USB-A QC 3.0 18 W, USB-A 5 V/2.1 A, 15 V DC 10 A |
| Build | |
| Flashlight | Yes |
| Air compressor | No |
| Dimensions | 8.98 x 3.92 x 1.50 in |
| Weight | 1.8 lb |
| Warranty | 1.5 years |
| Released | 2021-07 |
Alternatives in this engine size
GOOLOO A7
#7 in Heavy dutyFull review
A heavy-duty jump starter with a tire inflator and a camping blower in one box. Good for truck, SUV and RV owners who want one roadside and campsite tool.
Amazon $149.99$149.99
DBPOWER Z07 5000A
#9 in Heavy dutyFull review
A cheap, high-rated pack for cars and V8 trucks with IP65 sealing. A budget pick, but confirm it handles a fully dead battery before relying on it.
Amazon $58.99$58.99
Compare
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