... UPS850VA/450Watts,AVR, CPU control,SMT PCB, LCD display,USB,4 battery backup &2 surge protection ... 5 MinutesHalf Load 6.0 MinutesCharge Time12 Hours(90%)LCD Status DisplayNormal,Fault,Battery,Charge,Overload,Load,Battery ... Voltage/Overload/Short Circuit/PCB Failed,Beep for 60SecondsInterface Port(s)InterfaceRS-232/USBControl SoftwareUPSlion2000Cold-start CapabilityYesProtectionSurge Protection and ...