This NPower modified sine wave inverter/charger is designed to work with solar and wind power systems. It can be used with 12V systems to provide AC power for cabins or RVs, and charge batteries. It converts 12V DC battery power to 110/120V AC power; when attached to AC power input will charge batteries. Provides 1000 continuous Watts/2000 surge Watts. It includes an LED display, low battery indicator and overload protection. Watts: 1,000 Continuous, 2000 Surge, Volts: 12, Application: Remote or backup power, Display Type: LED