October 16, 20241 yr Hey there, During a power outage today, my tower did an unclean shutdown despite running behind an Eaton Ellipse ECO 650. After booting back up (outage was less than 2 minutes), the battery was barely discharged and the NUT plugin is saying that the UPS's battery voltage is too low, but the UPS is not beeping though. Shutdown Mode is set to Time on Battery, with 10 minutes left before triggering a clean shutdown. I was logged on in ssh when the outage occurred and got the shutdown alert message almost instantly when the power was gone. Is this a sign that the battery is dying? It is a bit old at this point (bought in January 2021, running 24/7 since then). Edited October 16, 20241 yr by IwishIcanFLighT
October 16, 20241 yr 1 hour ago, IwishIcanFLighT said: Is this a sign that the battery is dying? Likely that and battery have 3yrs+ age. You can further apply some load to outlet and test does UPS would provide power for expected time duration.
October 17, 20241 yr Author Yeah, this is what I suspected after reading on other forums about the average 3 years lifespan of UPS batteries. I thought it was more like 5 years... Anyway, I ordered a new battery and will report back to confirm if that fixes my issue. Thanks!
October 17, 20241 yr I agree that this looks like the battery is degraded, the Eaton alarms are usually accurate.
October 19, 20241 yr Author Solution I just installed the replacement battery and the alert went away at reboot. Thanks for your help! One thing that I would add though: I would prefer to receive an email/push notification for such an important alert (low battery voltage)rather than discovering it after an unclean shutdown. The current alert message is easy to miss in the Unraid dashboard, and I don't even connect to the dashboard every day. Is there a way to configure this as an email/push alert?
October 19, 20241 yr 6 minutes ago, IwishIcanFLighT said: I just installed the replacement battery and the alert went away at reboot. Thanks for your help! One thing that I would add though: I would prefer to receive an email/push notification for such an important alert (low battery voltage)rather than discovering it after an unclean shutdown. The current alert message is easy to miss in the Unraid dashboard, and I don't even connect to the dashboard every day. Is there a way to configure this as an email/push alert? I completely agree and there is currently no way, unfortunately, but I've proposed a change to the upstream NUT software package (backend) a few days ago that would allow for such alarm-based notifications, so hopefully in future versions (as this is dependent on the backend) this will be possible: https://github.com/networkupstools/nut/pull/2658
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