Built-in battery testers
Download MP3Remember those little strips that used to be on batteries, where you'd pinch it with your fingers and it'd say how much power it had left? This episode is about those! Join me and my buddy Manuel Wudka-Robles as we talk about:
- Why rivals Duracell and Energizer both announced versions of this feature on the same exact day
- How it worked
- Why they're not around anymore
References:
- https://tedium.co/2021/01/20/on-battery-power-meter-history/
- https://www.newspapers.com/article/the-miami-herald-duracell-competing-pate/68078245/
- https://patents.google.com/patent/US5015544A/en
- https://patents.google.com/patent/US5059895A/en
- https://www.wsj.com/articles/SB884214290310763000
- https://www.wsj.com/articles/SB933034516816675358
- https://www.newspapers.com/article/democrat-and-chronicle-duracell-battery/68078674/
- https://www.supermarketnews.com/grocery-operations/testing-the-charge
- https://www.youtube.com/watch?v=zsA3X40nz9w
