BatteryMaintenance-free sealed Lead-Acid battery with suspended electrolyte : leakproofCommunication/ManagementLED status display with load and battery bar-graphs and On Line : On Battery : Replace Battery : and Overload IndicatorsFrequency50/60 Hz +/- 3 Hz (auto sensing)Input ConnectionIEC-320 C14, NEMA 5-15PInput Voltage150 - 280 VOutput Receptacles(2) IEC 320 C13 (Battery Backup)Output Voltage230VPower Rating/Capacity150 - 280 VSeriesAPC Back-UPSTypical Runtime4ms typical : 6ms maximumWarranty2 years repair or replace