This portable lithium-ion jump starter delivers 3,000 amps of power, enabling you to jump start a dead battery in seconds. Featuring patented spark-proof technology and reverse polarity protection, it is safe and simple for anyone to use. Beyond jump starting, it serves as a portable power source for USB devices—like smartphones and tablets—and 12-Volt devices such as tire inflators and power inverters. Equipped with an ultra-bright 500-lumen LED flashlight with seven modes, including SOS and emergency strobe, it provides versatile illumination for a variety of situations. Designed for cars, SUVs, trucks, boats, RVs, and more, it supports gas engines up to 9 liters and diesel engines up to 7 liters.