... blockIEC320-4IEC320-6IEC320-3&terminal blockBatteryTypeSealed,Maintenance free,Lead-acidNominal DC voltage 36VDC96VDCQuantity3 pieces8 piecesDepends ... transferOn overload and UPS failure Before UPS power-onDefault"NO",user adjustable to"YES" Voltage ... versaLED indicatorsStatusLoad level/Battery level, Battery, Utility power,Inverter,Bypass,Overload,FaultAudible alarmBypass, On battery mode ...