On Sun, 15 Dec 2019, Phil Stracchino wrote:
I switched a while back to a Cyberpower PR3000LCDRTXL2U UPS with an
external battery chassis. We've lost power twice since I installed it,
and both times, the UPS has killed power to everything while still
indicating 80% capacity before NUT has even initiated shutdown on anything.
I don't think I ever got all the way through NUT configuration on it.
What am I most likely doing wrong, or what might I have missed, or what
setting am I misunderstanding, that the UPS itself is shutting off the
power so absurdly early?
It would be interesting to see your NUT configuration. If it would help you
there is a shell script at http://rogerprice.org/NUT/nut-report which will
prepare a configuration report. (It removes passwords.)
Meanwhile, how old is your battery? Very old batteries can produce exactly the
effect you describe: crashing rapidly while still indicating high charge.
Roger
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