Coin button battery finder.
Previously:
Vintage PP3 9-volt batteries - photo
Slicing open a phone battery - GIF
Micro USB rechargeable battery - photo
Wiring a battery pack - GIF
Shredding batteries - GIF
Coin button battery finder.
Previously:
Vintage PP3 9-volt batteries - photo
Slicing open a phone battery - GIF
Micro USB rechargeable battery - photo
Wiring a battery pack - GIF
Shredding batteries - GIF
New plans added on 10/30: Click here for 2,537 plans for homemade tools.
I believe M. Klotz pointed out numerical coding of button cell (coin) reveals the sizes in whole mm and divisions of, thickness first. Range is 5 to 25 millimeters in diameter and 1 to 6 millimeters in height.
https://digilent.com/blog/quick-coin-battery-guide/
Sincerely,
Toolmaker51
...we'll learn more by wandering than searching...
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