GOOLOO - GP4000 4000A Peak Car Jump Starter, Portable 12V Lithium Battery Booster for All Gas & Up to 10L Diesel Engines

The GOOLOO GP4000 is a powerful 4000A portable jump starter designed to instantly revive dead batteries in all gasoline and diesel engines up to 10.0L, featuring a BOOST button for severely depleted batteries and compatibility with a wide range of 12V vehicles. Beyond emergencies, it serves as a high-capacity power bank with dual USB outputs and a USB-C port for charging devices. Built with 10 advanced safety protections, heavy-duty metal clamps, a rugged drop-resistant shell, and a built-in flashlight, it operates reliably in extreme temperatures from -4°F to 140°F and can jump-start vehicles over 60 times per charge. The package includes all essential accessories and is backed by an 18-month warranty, with a recommendation to recharge every 2-3 months during extended storage for optimal performance.

The GOOLOO GT4000S 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 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.

This WOLFBOX JS24 car jump starter provides up to 4000A peak current and 24000mAh high capacity. It can safely start gas and diesel engines. Works on all (12 volt) cars, trucks, boats and large vehicles, meanwhile it is very portable. The JS24 battery jump starter works with a smart jumper clip to provide 10 safety protections to ensure safe use. The JS24 car jump starter power supply contains an LED screen that clearly displays all status indicators of the portable car jump starter power supply. You can easily identify the current status of your emergency power source and provide seamless access to all functions. This JS24 car jumper is also equipped with 1*65W Type-C input/output port and 1*QC 3.0 USB-A port, which can save 50 when charging your mobile phone, tablet, Kindle or digital camera 50% time. Tips：A 65W charging plug needs to be purchased separately.