December 16, 20241 yr i've been running this hardware setup with no real changes for the last 6 months. Had a recent power outage, and noticed my server went down right away even though I had my ups hooked up. I had been getting errors that the battery was bad that would clear after a self test, so I assumed it was a battery issue. Ordered a replacement battery and installed it today. new battery is charged to 100%. Unraid UI says "Online Low on battery" and that I have 0 mins left of runtime. when i plug the current draw(375w) into the APC calculator, it says I should have a 15 min run time. https://www.apc.com/us/en/product/BR1500G/apc-backups-pro-1500va-865w-tower-120v-10x-nema-515r-outlets-avr-lcd-user-replaceable-battery/ I cant tell if this is an issue with my UPS or the Apcupsd UPS control software unraid uses. And ideas?
December 16, 20241 yr Could be the internal Data from the UPS that has to be updated. Have you tried to connect the UPS through USB to Windows PC with Powerchute on it ? Then from Powerchute, find the settings to reinitialize the battery information. I don't have the details, it was years ago.
December 16, 20241 yr BATTDate is from 2014. Might be usefull to reset that with powerchute and ideally run some tests from the software.
December 17, 20241 yr Author So Ive done some testing and still cant figure out what is the issue. I ran apctest in terminal and updated the BattDate, Still have the same issue. Fails to run a battery calibration or self-test. I moved the battery to another UPS of the same model I have. was able to run one self test, battery calibration, and no test after the first one. Drained the battery, and recharged it, Fails to run a battery calibration or self-test. I plugged the USB of the UPS into my Windows desktop, and installed PowerChute Personal Edition, Passes selftest. Uninstalled Powerchute PE and installed PowerChute Serial Shutdown, Passes self-test uninstalled PowerChute Serial Shutdown and installed winapcupsd (this doesn't seem to run on windows 11, Its driver would not work is the more detailed answer) Connected the UPS back to my unraid server, Fails to run a battery calibration or self-test.
December 22, 20241 yr I had the same issue when I replaced the battery in my APC UPS. Need to connect to a Windows machine, use the APC software and reset the battery date.
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