There was a power outage due to a fire two blocks away which brought out emergency services from four suburbs. We took several big power hits in a row. Then the UPS decided its battery was no longer any good. It gave a warning for whole seconds which wasn't even close enough to get everything shut down properly. Everything is finally back online, just without a UPS. Considering a family just lost their entire home, I can't really complain about losing a UPS.

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