Bestek 500W Power Inverter Dc 12V To 110V Ac Converter With Dual Usb Car Charger BESTEK power inverter: America's #1 power inverter brand. Provides 500W continuous DC to AC power and 1000 watts of peak power, featuring 2 AC outlets and 2 USB quick charging ports. Powerful charging: Dual 110V AC outlets for powering larger devices such as laptops and tablets or any other household appliances under 500 watts, 2 smart USB ports (0-2.4A) for charging USB-powered devices. A good choice for camping,out door needs or driving trip on the way. Multi-Protection: Built-in 2*40 amps fuse to protect your device and battery. Safe charging technology provides protection against overheating, under/over voltage charging,overload and short circuiting. Quiet cooling fan: The smart cooling fan will automatically rotate at different speed according to power load and temperature, this design can help to lower the fan noise.Also the high speed cooling fan protect the inverter against overheating. More you get: Comes with a car cigarette lighter plug (27.5 inches) and a pair of alligator battery clamps (24 inches),convenient for plugging into your cigarette lighter or hook it to 12V battery,2 pcs of spare 40A Fuses.18-months warranty and friendly 24H/7D service.