-MAN 90W Car charger is a carborne charger with USB and notebook adapter ports.It could satisfy your demand for re-charging your notebook, tablet, cell phone and other digital devices in your car. The notebook and USB ports allows “plug-in and recharge” to eliminate the trouble of power cords on road. Specifications: Input Voltage: 11-16VDC Output Voltage: 18.5-20VDC 4.61A MAX