CyberPower CPS150BU 150 Watt Swivel Head Mobile Power Inverter with USB Charging Port and AC Outlet (Black) Built-in Surge Protection: Safely protect your electronics against power fluctuations from vehicle startup and shutdown Automatic-Shutdown: The device will automatically turn itself off to protect your battery from draining USB Charging Port:- Charge any consumer electronic device that can be charged via USB port. 150 degree Swivel Head: The cigarette lighter adapter is designed for universal placement in hard-to-reach areas.