... 2,LCD display inverter 3,pure sine wave inverter 4,super charger inside 5,CE ,SONCAP solar system use solar inverter ups 2500w Main ... -voltage,over-heating,etc.5.Easy to check with inverter with consice LED indication that can be upgrade to ... 5KW;6KWOutput Voltage110V/115V/120V Selectable220V/230V/240V SelectableVoltage WaveformPure Sine waveCrest Factor3:'1Output FrequencyAuto Select for 50/60Hz,47Hz ...