Battery discharge graph showing the battery voltage falling precipitously just shy of day 900.

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   joey castillo (joeycastillo@mastodon.social)'s status on Sunday, 14-Jul-2024 21:42:06 JST joey castillo

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   New battery test, day 873: it's over! Feels poetic that the battery died at #HOPE. (Also I was demo'ing it all afternoon at the @crowdsupply table.) I actually logged the battery yesterday at 2.19 volts — low enough that the LAP indicator was on, which meant the battery was on its last legs. Point is, the February 2022 firmware lasted 2.4 YEARS on a single 100 mAh coin cell, which is not bad! I'm now ready to claim 1.7 to 2.4 years of battery life — and that's backed by real-world testing :)