UPS850VA/450Watts,AVR, CPU control,SMT PCB, LCD display,USB,4 battery backup &2 surge protection,12/9Ah ... Range145V-275Vac/90Vac-140Vac±3%Nominal Input Voltage220/230/240/110/120VacInput Frequency50/60HzMax.Input Current3.2A/6.4AOutputNominal Output Voltage220 ... 2.5 MinutesHalf Load 6.0 MinutesCharge Time12 Hours(90%)LCD Status DisplayNormal,Fault,Battery,Charge,Overload,Load,Battery CapacityAudible ...