Introducing the GB40, a compact lithium-ion battery jump starter that packs a powerful punch. Delivering 1,000-amps, this portable powerhouse can jump-start a dead battery in seconds. With patented safety technology that provides spark-proof connections and reverse polarity protection, the GB40 makes it safe and straightforward for anyone to use.

Not limited to being a robust battery booster, the GB40 also functions as a portable power source for recharging USB devices such as smartphones, tablets, and more. Whether it's a car, boat, RV, truck, or lawn mower, the GB40 is designed to jump-start gas engines up to 6 liters and diesel engines up to 3 liters.

Rated at 1,000 Amps, the GB40 can provide up to 20 jump starts on a single charge. Its ultra-safe design incorporates helming-edge spark-proof technology and reverse polarity protection, promoting safe battery connection under any circumstance.

Equipped with an ultra-bright 100-lumen LED flashlight, the GB40 includes seven light modes, such as SOS and emergency strobe, keeping you prepared for any scenario.

With the ability to recharge your personal devices on the go, the GB40 gives up to four smartphone recharges, ensuring your devices remain powered during your travels.

From cars and boats to lawn mowers, the GB40 is masterfully designed for gas engines up to 6 liters and diesel engines up to 3 liters. Embrace the compact power and versatile usability of the GB40, your go-to solution for battery jump-starting and mobile device charging.