GOOLOO GP4000
#8 in Heavy dutyFull review
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.
Amazon $79.96$79.96
The GOOLOO GP4000 and the DBPOWER Z07 5000A are evenly matched, rated 4.1 and 4.0. The GOOLOO GP4000 leads on features. The DBPOWER Z07 5000A wins on warranty. The DBPOWER Z07 5000A costs $20.97 less ($58.99 vs $79.96).
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
Prices were last checked October 30, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the GOOLOO GP4000 for features (manual override, rated to -4 °F, USB-C charging vs rated to -4 °F, IP65).
- Choose the DBPOWER Z07 5000A for warranty (2-year warranty vs 1.5-year warranty).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every heavy duty jump starter; a clear win is highlighted. How we rank explains each one.
| Factor weight | GOOLOO GP4000 | DBPOWER Z07 5000A |
|---|---|---|
| Overall rating | 4.1/5 | 4.0/5 |
| Value 40% | 100 $79.96 for its size | 100 $58.99 for its size |
| Features 35% | 70 manual override, rated to -4 °F, USB-C charging | 60 rated to -4 °F, IP65 |
| Capacity 15% | 42 74 Wh battery | 42 74 Wh battery |
| Warranty 10% | 25 1.5-year warranty | 50 2-year warranty |
Specifications
| GOOLOO GP4000 | DBPOWER Z07 5000A | |
|---|---|---|
| Starting | ||
| Rated engines | all gas, 10 L diesel | 10 L gas, 8 L diesel |
| Peak amps (maker) | 4,000 A | 5,000 A |
| Cranking amps | 800 A | - |
| Voltage | 12 V | 12 V |
| Manual override | Yes | - |
| Lowest operating temperature | -4 °F | -4 °F |
| Battery and charging | ||
| Chemistry | Lithium-ion | Lithium-ion |
| Capacity | 74 Wh | 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 | USB-A 5 V/3 A, USB-A 5 V/2.1 A |
| Build | ||
| Flashlight | Yes | Yes |
| Air compressor | No | No |
| Water resistance | - | IP65 |
| Dimensions | 8.98 x 3.92 x 1.50 in | 7.36 x 3.79 x 1.81 in |
| Weight | 1.8 lb | 1.3 lb |
| Warranty | 1.5 years | 2 years |
| Released | 2021-07 | 2025-08 |