It uses high‎-power battery that supports fast charging‎,‎ low self‎-discharge‎,‎ up to 1‎,‎000 charging cycles‎.‎ It supports vehicles with 12V voltage or more‎.‎ to start your car‎,‎ firstly you should connect the power bank with the battery holder and then connect the negative and positive connectors of the holder with your car battery‎.‎There are a variety of adapters that be used to charge various mobile phones‎,‎ Sony PSP‎,‎ MP3/MP4 players‎,‎ PDAs‎,‎ notebooks‎,‎ car refrigerators and other compatible appliances‎.‎It has 3 different kinds of lighting modes ‎- you can use the flashlight and SOS lights in the dark in case of emergency‎.‎