I have heard of people disassembling laptop battery packs which are apparently made of multiple 18650 cells, which are a super common standardized part that can be sourced very affordably. Then they simply replace the cells and keep the original battery enclosure and charging circuitry.

However, Chromebooks tend to be built for planned obsolescence, so it may very well be a one of a kind part

Plus it was usually yellowed and sticky with nicotine tar

Way back when, Slashdot had something like this to place in your signature. It was a code string that looked like a PGP/GPG signature but the letters were actually personal details.

I recall you could encode age, gender, and relationship status in it, and I think location and whether you worked in the tech industry

11/11/11 is the Skyrim epoch

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