Feature Load capacity: 1500VA/900W Unomat UPS Model no - UM 1500 Uninterruptible power supply Inverter compatible, High reliability Excellent icroprocessor control guarantees. Boost and buck AVR for voltage Stabilization. Off mode charging. Cold start function. Wide range input voltage 3 steps AVR system Short transfer time Intelligent battery management Auto Shutdown when battery is low Over and under voltage Protection Wide input voltage range.