The GOOLOO GT4000 is a powerful yet compact 4000A lithium jump starter that can start almost all 12V vehicles, including up to 12.0L gas and 10.0L diesel engines, within seconds. It supports 100W two-way fast charging and can be fully charged in about 1.2 hours, with just 5 minutes of charging enough to start a car. It also charges laptops via the Type-C port. Featuring a clear 3.2-inch LED screen, 10-layer safety protection, long 24-month standby time, multiple USB ports, a 15V DC output, and a 400-lumen multi-mode flashlight, it works as both a jump starter and a versatile portable power bank.
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Dead battery, miles from help. GOOLOO GT4000 delivers 4000A of JUMPCORE starting power to revive 12V gas up to 12.0L and diesel up to 10.0L — including cars, SUVs, trucks, and motorcycles. BOOST mode rescues extremely low batteries. Get back on the road now.
JUMPCORE pre-heating fires up in brutal cold down to -40°F and heat up to 140°F. 10-layer SUPERSAFE protection blocks sparks, reverse polarity, and shorts. Power that delivers. Protection you can trust.
A full charge holds 24 months of standby. 1000+ charge cycles for years of service. Weighs just 2.4 lbs and fits in any glovebox. No expertise needed — safe for first-timers and multi-car households.
USB-C PD recharges 0→100% in 1.2 hrs; 5-min charge gives an emergency start. Also charges MacBooks at full speed. 150W DC + 3 USB ports power phones, tablets, and more. Engineered for real life.
Commuters, adventurers, families — stay moving. 400-lumen LED (High/Strobe/SOS) handles repairs, campsites, and emergencies. Backed by JUMPCORE starting power, TOOLCORE multi-function versatility, and SUPERSAFE total protection. One compact device. Always ready. ALWAYS GOOD TO GO.
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