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 the batteries say "ni-cd 2/3aaa 100mah 1.2v xinjiang xingtai new power co.,ltd"

but there are no google results for "xinjiang xingtai new power" which is sorta impressive for a battery manufacturer to have no results 
 harvested components! look at all these adorable rechargeable batteries that have definitely only been used for one cycle 

on another note: these are not solar panels like I originally thought. they are light sensors (I guess the same idea but really shitty for collecting power)

https://cdn.masto.host/socialwakest/media_attachments/files/111/191/457/473/771/625/original/69a24656c7b87ef8.jpg

https://cdn.masto.host/socialwakest/media_attachments/files/111/191/457/769/037/276/original/73c755130fc76086.jpg