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The original was posted on /r/homeassistant by /u/therdms on 2025-03-28 20:02:06+00:00.

I’m beginning to replace batteries on some of my devices. I’m able to display the battery levels like so:

but wonder if anyone here has some creative ways to note & show when battery was replaced (the date specifically). It would help give an idea of how long batteries are lasting. TIA