CyberPower CPS150BI AC Mobile Power Inverter/Converter, 12VDC to 120VAC, 150W, Bottle Mount Powers laptops, portable DVD players, and other electronics. Provides up to 150 watts of AC Power. "Plug-in" power eliminates the need for spare batteries. 180 degree swivel plug allows the adapter to fit even hard to reach cigarette lighter sockets. Auto-shutdown feature protects your car's battery from draining.