On a planet where we can’t decide on the size of a sheet of paper, what side of the road to drive on, or what household current should be (and what an outlet should look like). How in the world can we have a planet-wide standard for batteries? AA/AAA/C/D sized batteries are the same across the globe. How did this happen?
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There are TONs of battery standards. AA, AAA, C, D, 123a, 18650, a dizzying array of button battery sizes, 9 different “common” sizes of car batteries, dozens of less common car batteries which are NOT the same as motorcycle or boat engine batteries, and a similarly dizzying array of proprietary batteries, some of which are meant to never be replaced (looking at YOU, Apple) and some of which are, like Makita, Dewalt, EGO, Greenworks batteries.
There is no universal standard for batteries. It’s just as convoluted as paper sizes. You’re quite simply mistaken.
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