... temp, capacity, load, voltage and so on.When AC fails or low battery, the UPS can be started ... loads)Power factor0.8InputPhaseSingle phaseAC input voltage 220VAC±25%AC input frequency50Hz±0.5%DC input voltage48VdcRelative broadband ... .75 secondInverter abnormalRing;indicator light displayOthersDisplayLCD display indicates voltage,frequency, battery,load,temp,etc.LED indicates running status. ...