DURAGADGET USB Port Car Cigarette Charger For Barnes & Noble Nook HD+ 9-inch Slate (OMAP 4470 1.5GHz Processor, 16GB RAM, Wi-Fi, Full HD 1080p), Nook HD 7-inch And Blackberry PlayBook RIM Tablet Two USB ports quickly charge your tablet and even your phone at the same time! 2 Amp (1 amp per socket) gives enough power to quickly and efficiently charge Use your tablet while you charge - ideal for for charging on the go! Charges from standard auto (Car/Lorry) systems, both 12 and 24 volt Glass replaceable fuse for safety