Industrial Grade Uninterrupted Power Supply System has the feature of active power factor correction and single inverter card including power device. The System has scalable battery and LCD/ LED display. The System is available in width from 10 to 13 inch, height from 16.5 to 27 inch and length from 22.5 to 31 inch. The System has humidity from 5 to 95% and has the feature of battery start and cabinet wheels. The System has optional extended battery charging and parameter of 7 segments. The System ensures audible warning of battery back-up ending and over load. The System has pure sine wave and voltage of 230 V. The Industrial Grade Uninterrupted Power Supply System ensures input power rating from 1 to 10 KVA, voltage range from 160 to 280 V.