2kva online ups with battery backup of 120 minutes with igbt pwm based switching technol ogy to work in wide range of 160v to 260v 50hz single phase ac supply and rated output of pure sine wave 230v 50hz single phase ac supply ups is of floor standing type made up of minimum 1 2mm ms sheet duly powder coated ip protection of ip20 suitable smf vrla type battery confirming to conforming to jisc 8702 pt i ii ii i to be provided along with link and connectors and racks minimum warranty of 24 months