The Nature Power Inverter 3000-Watt with 150-Amp Inverter Charger with its state of the art and easy to use design will offer reliable service by providing AC power and 5 Volt USB power for your home, cabin, boat, RV or Trailer. Also recharge your battery automatically when utility AC is available. The Nature Power Inverter 3000 Watt with 150-Amp Inverter Charger can run many AC-powered appliances when you need AC power anywhere. The 5 Volt USB power can charge many USB-powered devices. Also the 150-Amp multi-stage battery charger will charge different type of batteries from Get, Flooded, AGM and Fixed.