The GB50 is a compact yet powerful 1500 A lithium-ion jump starter. Its patented safety technology features spark-proof technology and reverse polarity protection, making it safe for anyone to use. The GB50 is designed for use with gasoline engines up to 7 liters and 4.5-liter diesel engines, and it also serves as a portable power source for charging smartphones, tablets, and more. Additionally, many 12-volt devices such as tire inflators, inverters, and more can be powered with it.