I have a (refurbished) APC Back-UPS LS 500 I've been using for a year and a half or so, and recently when the power's been crappy (thanks to bad drivers...) I've noticed it's no longer doing the thing ...
We had a power cut this afternoon for about 15 minutes after this our APC Symmetra 16KVA UPS reported 2 modules have failed.<BR><BR>We have 4 battery modules in the UPS and 2x Extended Run Time Units ...
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