UTRAI Car Battery Starter is a portable battery booster that can jump-start a car's dead battery in seconds. With a peak current of 1000A and a 13000mAh battery capacity, it can jump-start up to 6L gas or 4.5L diesel engines multiple times on a single charge. It also features a built-in LED light with three modes, including a flashlight, strobe, and SOS signal, making it ideal for use in emergencies and outdoor activities. The lithium jump box is compact and lightweight, making it easy to store in the car's glove box or trunk.