... double conversion design Effectively reduce the pollution of the AC network, provide pure power and good protection to mainly ... temp, capacity, load, voltage and so on.When AC fails or low battery, the UPS can be started and ... batteryVoltage192VDCCharge currentDepending on the external battery capacityNoise LevelDistance is 1 meter<55db(A)DisplayLEDAC, Inverter, Low battery, Bypass, Overload, ...