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CT scan of four different AA batteries over a white background. From left to right, the batteries are labeled Alkaline, NiMH, Lithium-Ion, and Lithium-Ion (Rechargeable). The Lumafield logo is in the bottom-left corner, and the iFixit logo in the bottom-right.

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CT scan of four different AA batteries over a white background. From left to right, the batteries are labeled Alkaline, NiMH, Lithium-Ion, and Lithium-Ion (Rechargeable). The Lumafield logo is in the bottom-left corner, and the iFixit logo in the bottom-right.
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iFixit (ifixit@mastodon.social)'s status on Friday, 16-May-2025 01:16:52 JST iFixit
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From the outside, all kinds of AA batteries look about the same. But inside, they couldn’t be more different. From zinc & manganese dioxide, to nickel-metal hydride, to lithium-ion chemistry, a CT scanner lets us see the evolution of the AA.

In conversation about 19 days ago from mastodon.social permalink