For Barnes & Noble Nook USB Car Charger Adapter + USB Data Cable Slim, small, and portable design to elimate space that regular charger take up. The slim design will fit like a plug in car cigarette socket. Simply connect the usb cable that is compatible with your device to instantly gain charging power. Lightweight and ultra-low profile USB Car Charger with USB power port and LED power indicator Car Adapter Input: 12V-24V DC; Output: 5V - 1000mA DC.