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The GOOLOO GP4000 is a portable 12V lithium jump starter rated at 4000A peak, built for diesel trucks up to 10L and all gas engines. It claims 60+ starts per charge, adds reverse-polarity protection and a three-mode LED light (flashlight, strobe, SOS). It suits drivers of large diesel rigs, vans and trucks who want a compact pack instead of bulky jumper cables and a donor vehicle. Against rivals like NOCO and Clore, it leans on high peak amperage and safety electronics rather than app features or a built-in tire inflator. Owners rate it highly, though some note the clamps and cable length feel basic.
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Lowest price we've seen: $38.40 on Nov 15 at Arga Shorea Nest. Tracked across 9 stores since Nov 15.
Owners rate the GP4000 very highly, praising its ability to start big diesel engines and its safety electronics. Complaints center on the clamps and the need to keep it charged.
The GOOLOO GP4000 is a portable 12V jump starter with 4000A peak power. It is made to start gas engines and diesel engines up to 10L, including diesel trucks, and it delivers 60+ starts on a full charge.
A built-in LED light has flashlight, strobe and SOS modes for emergencies.
The unit recharges in about 5 hours through USB-C with a wall charger (not included). It can also be recharged in about 5 hours from a 12V car outlet.
