... Microprocessor control3.True on-line double conversion design.4.Sine wave pulse width modulation.5.Isolated output6.IGBT inverter design7.Wide ... Panel indication LCDInput,oupt,battery voltage,frequency,load rate,UPS state, temperature LEDMain input , bypass,Inverter,Battery,Over ... Whole unit85% Communication1.Power status 2.UPS shutdown 3.monitor UPS status 4.UPS self test 5.auto-save files Protection ...