Verbatim Car Charger - Dual Port 3.4A - Black Specification • 12-24Vdc/1.8A Max. • Output: Each USB A 5Vdc/2.4A, Total 3.4A Max. • Over current protection. • Over voltage protection. • Short circuit protection. • Over temperature protection. • Material: PC+ABS Fire resistance material Features & Benefits • Convenient - o The ability to charge two devices at once means that you don’t have to decide whether your phone battery or GPS runs out of juice in the middle of that important roadtrip. o With up to 2.4A per port and a total of 3.4A when both ports are in use, you can charge your devices in less time than with a 1A charger.