GOOLOO GT4000S
#3 in Heavy dutyFull review
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.
Amazon $139.99$139.99
The GOOLOO GT4000S is the better jump starter overall, rated 4.2 to 4.0. The GOOLOO GT4000S leads on features and capacity. The Weego 70 wins on warranty. The GOOLOO GT4000S costs $15 less ($139.99 vs $154.99).
Prices were last checked November 11, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
Weego 70
#10 in Heavy dutyFull review
For owners of big gas trucks, SUVs and boats who want a jump pack rated for any gas engine with a bypass for dead-flat batteries. Look elsewhere if you need fast USB-C charging.
Amazon $154.99$154.99
Which should you buy?
- Choose the GOOLOO GT4000S for features (manual override, rated to -4 °F, USB-C charging, IP65 vs manual override, rated to -4 °F, USB-C charging, IP65) and capacity (74 Wh battery vs 59.2 Wh battery).
- Choose the Weego 70 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 GT4000S | Weego 70 |
|---|---|---|
| Overall rating | 4.2/5 | 4.0/5 |
| Value 40% | 89 $139.99 for its size | 84 $154.99 for its size |
| Features 35% | 90 manual override, rated to -4 °F, USB-C charging, IP65 | 82 manual override, rated to -4 °F, USB-C charging, IP65 |
| Capacity 15% | 42 74 Wh battery | 24 59.2 Wh battery |
| Warranty 10% | 25 1.5-year warranty | 50 2-year warranty |
Specifications
| GOOLOO GT4000S | Weego 70 | |
|---|---|---|
| Starting | ||
| Rated engines | 12 L gas, 10 L diesel | all gas, 5 L diesel |
| Peak amps (maker) | 4,000 A | 2,500 A |
| Cranking amps | 800 A | 700 A |
| Voltage | 12 V | 12 V |
| Manual override | Yes | Yes |
| Lowest operating temperature | -4 °F | -4 °F |
| Battery and charging | ||
| Chemistry | Lithium-ion | Lithium-ion |
| Capacity | 74 Wh | 59.2 Wh |
| Capacity (mAh) | 20,000 mAh | - |
| USB-C input | 100 W | 18 W |
| Recharge time | 1.2 hours | 3.5 hours |
| USB outputs | USB-C 100 W, USB-A 18 W, 15 V DC 10 A | USB-A 18 W |
| Build | ||
| Flashlight | Yes | Yes |
| Air compressor | No | No |
| Water resistance | IP65 | IP65 |
| Dimensions | 9.05 x 3.93 x 2.12 in | 9.5 x 3.5 x 1.75 in |
| Weight | - | 3.5 lb |
| Warranty | 1.5 years | 2 years |
| Released | 2022-07 | - |