... UPS,input voltage,input frequency,output voltage,output frequency,battery voltage,load Audible AlarmBuzzerAC unusual 4S/Battery low voltage 1S/Overload ... -start CapabilityYesProtectionSurge Protection and FilteringHigh Voltage,Low Voltage,Surge,Spike Overload ProtectionYesBattery Low Voltage ProtectionYesOutput Short Circuit ProtectionOutput auto ... (kgs) 110 UPS(uninterrupted power supply)