I have a small home office and after 5 or 6 years, found the UPS lasting only a 2-3 minutes when the power died this afternoon. Previously it used to run 2 PCs for about 15 minutes. Last had to use it about 2 years ago, so I am assuming that the batteries have passed their prime. I am looking to re…

Replacing UPS 9Ah with 105Ah

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