PowerGen Dual Port 15W / 3.1A USB Car Charger charges your iPad, iPhone, iPod, HTC, Blackberry, MP3 Players, Digital Cameras, PDAs, Mobile Phones. * Use your existing USB charging cables to charge most USB powered devices / Easy-to-see LED confirms whether USB charger is properly connected * Dual Port Design, one Apple Devices and one port for Non-Apple Mobile phones or other devices. * Input:12-24V 1000mA; Output:DC 5V 3.1A or 15W (Shared by two ports) * Sophisticated circuit design with over-heated, over-current, over-charging protection. Charging will be automatically stop when battery is full.