The GB20 lithium jump starter integrates with a high-output 100 lumen LED flashlight with 7 light modes, including low, medium, high, flashing, strobe and emergency SOS. It can hold its charge for up to one year without being recharged. Its internal battery can be used to recharge any personal mobile devices like smartphones, tablets or any other USB devices that can be recharged by any powered USB port and holds its charge for up to one year. It’s rated at 500 Amps, and suitable for use on gasoline engines up to 4 Liters (not recommended on diesel engines), such as a motorcycle, ATV, lawnmower, car and more. Includes the GB20, needle-nose battery clamps, USB charging cable, microfiber storage bag.