problem:
customer reported not backing up an hour.its charging fully and discharging too fast.we examine the motherboard completely.current are flowing around well and no drop voltage crossing the conductance.then where is trouble to discover the problem.we alter the fresh battery for inspecting the condition.its well routine.charging and discharging.backup hours is ok.it runs smooth and no interruption and intercept.
solution:
we situate new battery for desolve this type of problem usually.change new battery and flow the current normally.