... MODELTA2KTA3KTA4KTA6KTA8KTA10KTA12KTA15KTA20KPower capacity2KVA3KVA4KVA6KVA8KVA10KVA12KVA15KVA20KVA1.6KW2.4KW3.2KW4.8KW6.4kW8KW9.6KW12KW16KW Input Voltage Range220V or 110V+-20% Frequency50/60Hz± ... indication LCDInput,oupt,battery voltage,frequency,load rate,UPS state, temperature LEDMain input , bypass,Inverter,Battery, ... Environment Temperature0--40 °C Humidity0%-95% Low Frequency Online UPS TA2K-20K