APC Smart-UPS SRT 1500VA, 1500W Online 230V (SRT1500XLI) - UPS type: Double conversion online, rated power in W: 1500 W, rated power in VA: 1500 VA, Main Input Voltage: 230 V, Main Output Voltage: 230 V, network frequency: 40...70 Hz auto-sensing, output frequency: 50/60 Hz +/- 3 Hz sync to mains, nb of power socket outlets: 6 IEC 60320 C13, number of cables: 1, crest factor: 3 : 1, bypass type: Built-in bypass, control panel: Multifunction LCD status and control console, Surge energy rate: 432 J, battery type: Lead-acid battery, battery voltage: 48 V, number of battery filled slots: 1, battery life: 3…5 year(s), USB compatible: Yes, mounting mode: Rack-mounted with kit