UPS850VA/450Watts,AVR, CPU control,SMT PCB, LCD display,USB,4 battery backup &2 surge protection,12 ... 5 MinutesHalf Load 6.0 MinutesCharge Time12 Hours(90%)LCD Status DisplayNormal,Fault,Battery,Charge,Overload,Load,Battery ... beepingEMI FilterYesTel/Fax/Modem JackYesRegulatory ApprovalsCEOperating ConditionsOperating Temperature0-40Storage Temperature-15-45Operating Relative Humidity10%RH-95%RH,Non- ...