... and industrial applications. Capacity availability range from 500VA to 10,000VA, it can power most common electrical appliances ... 30 seconds, after 30 seconds, UPS(inverter) will switch off to avoid damage.On battery mode, overload more than 130 ... ±8% for regulatorFrequency50/60 Hz ± 0.5Hz, subject to the mainWave formPure sinve waveWave distortion≤ 3%ProtectionOverloadYesHigh temperatureYesOutput high ...