Power – UPS Isis 650L, Line interactive, 650 VA, 360 W, Tower, Nominal Input Voltage 220Vac, Accepted Input Voltage Range 170-280Vac, Accepted Output Voltage Range 200-250Vac, Frequency 50 / 60 Hz Auto detection, Outlets 2 Outlets with Battery Backup & Surge Protection, Surge Protection 480 Joules, Transfer Time to Battery / AC < 4 ms, Battery Specification 12V / 7AH x 1,