I'm back a minute later to report that I seem to have solved my own
problem. I was thinking about my limited experience with electronics as
a hobby and I thought "maybe there's a capacitor or something that needs
to discharge completely in order to r...
Interesting, I just had exactly the same thing happen with mine. It's
from 2015 and I think it has lasted this long on the original set of
batteries: they're marked "Not for retail trade" and have an expiration
date of 2035, which given the 20 year s...
According to https://support.google.com/googlenest/answer/9218291: "Both
battery and wired Protect require Energizer Ultimate Lithium AA (L91)
batteries.Don’t use rechargeable or alkaline batteries." Before
criticizing someone, I would read the instr...