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@sysop408@sfba.social

2026-02-10 10:28 UTC

@jalager@mastodon.nu OK, I had no idea the single A battery was a thing. Also, it's really funny that this battery is apparently so uncommon that they didn't have an actual photo to use on the Wikipedia page for battery sizes so they just drew a 2D representation of it on a piece of graph paper. https://en.wikipedia.org/wiki/List_of_battery_sizes#/media/File:A-concept.jpg @kwayk42@sechtor.social @astrid@infosec.exchange

Replies (2)

  • @david_chisnall@infosec.exchange 2026-02-10 12:30

    @sysop408@sfba.social @jalager@mastodon.nu @kwayk42@sechtor.social @astrid@infosec.exchange I used to have a flashlight that took 4.5V batteries that were actually three A cells in a bigger box. Unlike the 9V ones, which are quite hard to dismantle, these had a top that was very easy to pop off and so you could see the wiring inside. I've never seen an A cell anywhere outside of these ones, but when I was young you could buy the 4.5V ones in most hardware stores. I haven't looked for one for a very long time, so I've no idea if that's a good thing.

    Open ##2275420

  • @jalager@mastodon.nu 2026-02-10 12:34

    @sysop408@sfba.social @kwayk42@sechtor.social @astrid@infosec.exchange Indeed! I THINK I remember them being around in Sweden in the 80s or 90s but I can't swear on it. I'm sure I haven't seen one in decades though.

    Open ##2275421