DBPOWER Z07 5000A
#2 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 $44.79$44.79
4.4/5
A compact pack that covers big V8s and most diesel pickups and recharges in about an hour over USB-C. A strong pick for truck owners who also want a laptop power bank.
- 12 L gas, 10 L dieselEngines
- YesOverride
Check price at Amazon$99.99
Price checked October 22, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Starts nearly any gas engine up to 12 L and diesels up to 10 L
- Refills from empty in about 1.2 hours over 100 W USB-C
- Can fast-charge a laptop
- IP65 dust and water resistance
- Boost mode for a deeply drained battery
Cons
- Capacity published only in mAh
- Warranty term not stated for this model
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 | GT4000S |
|---|---|
| Starting | |
| Rated engines | 12 L gas, 10 L diesel |
| Peak amps (maker) | 4,000 A |
| Voltage | 12 V |
| Manual override | Yes |
| Lowest operating temperature | -4 °F |
| Battery and charging | |
| Chemistry | Lithium-ion |
| Capacity (mAh) | 20,000 mAh |
| USB-C input | 100 W |
| Recharge time | 1.2 hours |
| USB outputs | USB-C 100 W, USB-A 18 W, 15 V DC 10 A |
| Build | |
| Flashlight | Yes |
| Air compressor | No |
| Water resistance | IP65 |
| Dimensions | 9.05 x 3.93 x 2.12 in |
Alternatives in this engine size
KeenPower SC6000 Pro Supercapacitor
#3 in Heavy dutyFull review
For drivers in very cold places, or who leave a jump starter in the car for years and forget to charge it. Most people get more for their money from a lithium pack.
Amazon $199.99$199.99
Antigravity XP-20-HD Micro-Start
#4 in Heavy dutyFull review
For owners of big gas trucks and diesel pickups who want a compact pack that recharges fast over USB-C. Cheaper packs cover smaller engines just as well.
Amazon $249.99$249.99
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