... dual usb Car Charger 1.Smart IC chip inside 2.Full protections-OVP, OCP, OTP, SCP 3.FCC, CE, ROHS ... Intelligent XLSEMI IC chip with Patent inside recognizes a full battery and automatically switch to a saver.With over-current, over ... it easy to charger two divices at the same time.Compatable for charging all cell phones such as iPhone, iPod, Samsung, Nokia, Blackberry ...