Same coin cell holder from another angle on the board. It should be flush with the casing.
https://m.g3l.org/system/media_attachments/files/112/866/805/524/480/879/original/a11cef3e43eb8703.jpg
I made a crude CR2032 mod because there's no way I put a Varta back in there…
I know I should have used @RonsCompVids 's remote battery board but I didn't want to wait for @MuseumJoe to ship it 😛
For those who can wait, it's there:
https://jcm-1.com/product/remote-battery-i-v3/
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