this post was submitted on 04 May 2024
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Battery sizes explained (jlai.lu)
submitted 6 months ago by [email protected] to c/[email protected]
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[–] [email protected] 12 points 6 months ago (3 children)

9v batteries are actually 6x AAAA batteries in a little case.

[–] [email protected] 4 points 6 months ago

I also saw some small rectangles batteries stacked

[–] [email protected] 2 points 6 months ago

If you want to also be pedantically technically correct, 9V batteries are often made from 6 AAAA cells. Most of the things people call battery are actually cells, the common batteries are 9V (6x1.5V cells) and 6V (4x1.5V cells) alkalines, 12V lead-acid (6x2V cells) and electric vehicle batteries (lots of 3-ish volt cells of various lithium technologies)