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The GOOLOO GT4000 is a heavy-duty lithium jump starter with an 800 A rated and 4,000 A peak output. It claims to start gasoline engines up to 12.0 L and diesel engines up to 10.0 L, which puts it in the class of large commercial-vehicle starters rather than pocket-sized car packs. It doubles as a power bank with 100 W USB-C PD, extra USB ports and a 150 W DC output, and its 3.2-inch LED screen shows charge level, output and temperature. The 74 Wh battery is rated for up to 60 jumps per charge, IP65 water resistance and over 1,000 cycles, and a battery preheat function is claimed to allow starts down to −40 °C.
In stock
In stockShips from Lithuania · priced in EUR (€127.00) · duties may applyReturn policy
Lowest price we've seen: $121.97 on Nov 11 at gooloo.com. Tracked across 1 store since Nov 11.
The GOOLOO GT4000 is a portable jump starter with a 74 Wh battery (5000 mAh, 14.8 V). It delivers 800 A of starting current and up to 4000 A peak current. It supports gasoline engines up to 12.0 L and diesel engines up to 10.0 L, so it can be used on cars, SUVs and commercial vehicles. One charge gives up to 60 starts.
A battery preheating function lets it start engines in temperatures as low as −40 °C. The battery is prepared before the start, which improves cold-weather performance.
It also works as a power bank. It has a USB-C port with up to 100 W Power Delivery, additional USB outputs and a 150 W DC output. A 3.2-inch LED display shows charge level, output power and temperature.
