Direct power supply and battery charging via the cars cigarette lighter Built-in IC system automatically recognizes the connected device, as well as almost all smartphones and tablets can be recharged Dual Charger "Power" with power supply: 2 Twin/4 Max For the simultaneous charging of two devices 12/24 V charger for car, truck or motorhome charging current 2, 4 has up to a rapid charger information: The charge IC Fits the use the USB port to the device connected. Devices From Almost All Brands can be loaded at a maximum speed. If two devices are connected, the charge current is shared.