Features:-It can jump start most vehicles (up to 6.0L gas or 3.0L diesel engine) with heavy durable clamps and cables, suitable for your 12V vehicles.-Not only as a car battery jump starter, but also can used as a power bank. Designed with 4*USB output (5V/2.1A), which can be used as a power bank and you can charge smartphones,tablets and so on. -Small enough to store in your glove box and light enough to pack in your bag.-Comes with an LED light,has 3 modes: normal light,strobe light and SOS light. -With overcharge, voltage stabilization, over-discharge, short circuit, constant current, anti-reverse connection, temperature and magnetic field protection.Note:-If the car doesn't turn on after the first attempt, please wait more than 10s to try a.