What different chemistry are used and what is better for different applications? I'm looking for batteries for my led reading glasses that use cr1632, but I have also experimented with "hearing aid" batteries and if I remember right something was different about them (can't remember what it was). Also are there any rechargeable ones? I took apart a cheap led crank charge light keychain and it had a cr2032 powering it but I don't know that I've ever seen any rechargeable of that size.
Anyway anyone have any insight on the subject?
Anyway anyone have any insight on the subject?
Curious about button cell batteries chemistry.
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