Power – UPS Isis 1500L, Line interactive, 1500 VA, 900 W, Tower, Nominal Input Voltage 220Vac, Accepted Input Voltage Range 170-280Vac, Accepted Output Voltage Range 200-250Vac, 4 Outlets with Battery Backup & Surge Protection, Battery Specification 12V / 9AH x 2, USB & Serial (RS232), RJ45/RJ11 Protection, LCD Display, Warranty 36 Months, 12 months for batterys