A peak current of up to 4000 A and a cranking current of 800 A let you start everything from passenger cars to larger engines. The GT4000 supports gasoline engines up to 12.0 L and diesel engines up to 10.0 L and can deliver up to 60 starts on a single charge— a practical solution for long trips and for multiple vehicles.
The integrated preheating technology helps prepare the battery for starting even in extreme cold. Thanks to this, starting is possible at temperatures down to −40 °C, which you’ll appreciate when parking outside in winter or traveling in demanding conditions.
The GT4000 also works as a powerful power bank: USB‑C with Power Delivery up to 100 W is suitable for laptops and modern phones. The large 3.2" LED display shows the charge level, current output, and temperature, so you always have full control over readiness. A full charge using a 100 W PD charger takes about 1.2 hours.
GOOLOO GT4000 is an advanced jump starter with a capacity of 74 Wh (5000 mAh, 14.8 V) that delivers a cranking current of 800 A and up to 4000 A peak. This makes it suitable for a wide range of vehicles—handling gasoline engines up to 12.0 L and diesel engines up to 10.0 L. On a single charge it can provide up to 60 starts, so you can rely on it even with frequent use.
In addition to emergency starting, it also serves as a practical power bank: USB‑C Power Delivery up to 100 W lets you quickly recharge a laptop, phone, and other electronics. The rugged IP65-rated design protects the device against dust and splashing water, so it’s ready for travel and tougher conditions.
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