this post was submitted on 04 Apr 2025
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Coin-sized nuclear 3V battery with 50-year lifespan enters mass production (www.techspot.com)
submitted 1 day ago by cm0002@lemmy.world to c/technology@lemmy.world
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[–] piecat@lemmy.world 3 points 1 day ago (1 children)

https://www.ti.com/lit/gpn/LM555

2mA minimum, and that's just q current. It's gonna be much higher when you're actually using it for a clock.

I'm sure the casio's main power sink is the display. I bet the refresh rate could be reduced for better battery life.

[–] Tangent5280@lemmy.world 6 points 1 day ago (1 children)

Isnt the refresh rate just 1 Hz?