... UPS Double conversion and IGBT technology Advanced battery management High frequency online UPSKey FeaturesTrue on-line double conversion technology with ... level / Battery level, Battery , Utility Power, Inverter, Bypass, Overload, FaultAudible AlarmBypass, On battery mode, Battery low, Overload, FaultAcoustic NoiseAt 1 meter distance45 ... x 220192 x 460 x 348 Online UPS/High frequency UPS 1KVA-3KVA