This RoadPro power inverter provides you with power when you need it most. Great for anyone who travels on the road frequently, the inverter will harness the power of your vehicle battery and charge your cell phone, laptop, iPod, and more. Power AC devices rated up to 300 watts. High surge capacity up to 600 watts. An LED indicator on the power inverter lets you know the charging status, while built-in protective features guard against high/low voltages and overload.