Adapter double USB SW-Motech, This USB adapter can be used on all motorcycles that have a 12V cigarette lighter socket (supplied separately, see Related products). The maximum output power is 2000 mA. This USB adapter can be used on all motorcycles that have a 12V cigarette lighter socket (supplied separately, see Related products). The maximum output power is 2000 mA.   USB power supply for 12V cigarette lighter sockets The maximum output power is 2000 mA.