... factor0.8Transition time when power is offZeroBattery typeMaintenance-free lead acid battery, 16 12VDCTime for supplying power10 min (Standard ... % within 7~10hProtection functionProtection against overload, short-circuit, battery under voltagelndication StatusNormal commercial power (Green lamp) , normal ... once every 1s; when the fault shows or battery is usedup, it will sound continuously.lnterface to ...