Brand new powerful 1000 watt modified sine wave power inverter, Plus a built in charging system. It is very strong . All you need is 12v battery. Charging Current = 30A. Charge Voltage = 14.45v AC output = 230v. It is very quality and it has a powerful toroidal transformer inside the inverter that can power your" Computer, printer, TV, Amplifier , Home theater , Radio Tuner ,decoders, shaving machine ,Bulbs, celling fans, standing fans, DVD, and more. All these appliances can be powered at the same time. Remember the brand is VOLTPLUS. It is very easy use. It does not make noise. Also it is automatic, if ECG goes off the Power Inverter start automatically.