This Kit accessory converts the 12v outlet (cigarette lighter socket) in your vehicle into an ultra-efficient USB charging socket. The mega 2100 mAh current will charge your device up to 3 times faster than a standard in-car charging solution. The small, compact design complements any interior and it fits discreetly into the car"s 12v outlet. Charge all of your USB devices on the move, so you are ready for action at your destination. Specifications: Vehicle operational voltage supported: 12v/24v Output voltage: 5.0v DC Maximum charge current: 2100 mAh