Graph, discharge curve for a lithium battery. A red line declines from 3.0 volts around hour 5000 to 2.6 volts at hour 9000. A green line above remains above 3V at hour 6500.

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   joey castillo (joeycastillo@mastodon.social)'s status on Sunday, 15-Oct-2023 18:09:26 JST joey castillo

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   @josecastillo Battery test, day 380: 2.59 volts. To reiterate the parameters of the test: this watch (red line on the graph) is running an old firmware from 2021 that lacks some low power optimizations I did early this year. I also started a new watch (green line) in February of this year that I've been wearing daily since; it's still sitting pretty at 3.08 volts here on day 275.