Motorcycle BMW Hella DIN Plug to Dual Port USB Charger Shorty Socket -3.3 amps Input 12-24 volts. Output 5 volts 2.1 amps Power and charge two mobile devices simultaneously. Total power of both ports is up to 2.1 Amps. Two USB ports. Water resistant weather cap. Charges up to 2A when ports are used individually. Use this plug along with your device's own USB cable to charge.