... car charger with two ports .car battery charger for Mobile,GPS,PDA,Tablet PC .patented 3A usb ... .2 USB ports.Power management integrated circuit build-in for multiple loop circuit protection,over heat,overy ... wide range input voltage DC12V-24V which suit for variety of car cigarette lighter devices.USB ... 2 devices with 5V input voltage simultaneously.Chargeable for 5V devices like Mobile,MP3/MP4/MP5/ ...