... including temp, capacity, load, voltage and so on.When AC fails or low battery, the UPS can be started and ... loads)Power factor0.8InputPhaseSingle phaseAC input voltage 220VAC±25%AC input frequency50Hz±0.5%DC input voltage48VdcRelative broadband noise ... indicates voltage,frequency, battery,load,temp,etc.LED indicates running status. Communication InterfaceRS232,dry contact.Relative humidity0%~95%,No ...