StarTech.com Dual Port USB Car Charger - White - High Power 24W/4.8A - 2 port USB Car Charger

Deliver the fastest possible power output required for each connected device - up to a total of 24 watts (4.8 amps) shared between both ports Charge almost any mobile device that supports USB Battery Charging Specification 1.2 Ensure all your mobile devices are charged while you are commuting