My experience has been that UPS batteries seldom last longer than three years,
if that.
I usually get my batteries from Amazon. Go for the highest AH (amp hour)
rating you can for the suitable replacement. You will see some 7.5 AH, but you
probably want to go with 9 AH for longer runtime.
Tip: put a piece of tape with the replacement date on the outside of the case
so you will be prepared before the next pair fails.
Good luck.
On 7/15/22 16:40, Allen Brier via BVARC wrote:
I have a Cyberpower UPS that’s been working great for several years. I noticed
yesterday that when I had a power glitch, it died immediately. I took it out
of line and put it on my bench with no AC input. Power up and it says it has
plenty of capacity, (no AC input) but when I add a small load to it, it dies
completely. I took the batteries out and they show 12.72 and 13.03 volts
respectively. I have no way to load test the batteries properly.
Any ideas?
Allen R. Brier N5XZ
1515 Windloch Lane
Richmond, TX 77406
713-705-4801
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