Tubular plate Design Suitable for Deep Discharge 1000 Cycles @ 80 % DOD Electrical Load Recommended Inverter Rating Back-Up Time 2 Tubelight + 2 Fan + 1 TV + 3 CFL 600 to 1050 VA 4:45 to 5:15Hours 2 Tubelight + 4 Fan + 1 PC + 3 CFL 600 to 1050 VA 3:00 to 3:30 Hours 5 Tubelight + 7 Fan + 1 PC + 7 CFL 600 to 1050 VA 1:30 to 2:00 Hours Specifications of Exide Inva Master IMTT1500 Battery Capacity 150 Ah Warranty 36 Months Free Of Cost Battery Type Tall Tubular Battery Dimension (LxWxH) in mm 434 X 187 X 416