Scosche ReVolt Dual USB 12W Car Charger;

ReVolt Dual space grey is the world's smallest yet most powerful dual iPhone car charger for USB powered devices. Each of the 2 USB ports packs 12 Watts (2.4A) of power to charge two iPads at once. ReVolt is low-profile and lightweight - perfect for any vehicle's power socket. This car charger packs colossal power into a modest frame, naming it the best USB car charger on the market today. Don't just take our word for it.