... sine wave output, true online double conversion2. Wide input voltage range3. Can be set to ECO mode4. With EPO ... lower temperature, more reliable8. Full protection, overload, over voltage, short circuit, over temperature etc9. Cold start10. Generator compatible11 ... battery)Output frequencystability<±0.5%(no in phase)Input frequency50Hz±5%Crest factor3:1WaveSine waveOutput waveformdistortionSine wave ...