BatterySealed, non-spillage, maintenance-free, lead acid with 5 year typical lifetimeCommunication/ManagementUSB / Intellislot (Dry Contact / SNMP Card / Modbus Card / RS485 Card)Frequency50 Hz (Default)Input ConnectionHardwire 3 Phase or 1 Phase with N and GInput Voltage380VAC/ 220 VAC,Single-phase, 120VAC to 276VACOutput ReceptaclesHardwire 1 Phase with N and GOutput Voltage230 VAC ( Default)Power Rating/Capacity6000VA/4800WSeriesLiebert ITA 6 KVATypical Runtime4 - 83 MinutesWarranty2 yearsExt, Batt2010024 -External battery cabinet for Liebert ITA2, 2U