sealed lead acid

Battery and meter

11 Nov: My UPS is beeping

If your UPS is beeping then assuming the lights are on so the mains power is on and it is not overloaded by having too many things plugged into it, a UPS will beep if the batteries have failed. This can be serious for several reasons; the connected load has no protection from over or under voltage so these conditions may cause damage or data loss the batteries can get very warm possibly causing a…