... 4.Optional SNMP card Key Features1.Single phase in, single phase out2.Microprocessor control3.True on-line ... battery status LED/LCD14.Advanced Battery ManagementTA SERIES TECHNOLOGY SPECS MODELTA2KTA3KTA4KTA6KTA8KTA10KTA12KTA15KTA20KPower capacity2KVA3KVA4KVA6KVA8KVA10KVA12KVA15KVA20KVA1.6KW2.4KW3.2KW4 ... oupt,battery voltage,frequency,load rate,UPS state, temperature LEDMain input , bypass,Inverter, ...