I've long been using various types of rechargeable AA and AAA batteries, including the 1.5 volt versions, but I've just never seen any mention at all about these button/coin cell 3.6V Li-Ion batteries being rechargeable. It's said that there are rechargeable versions of the LIR2032, LIR2025, LIR2032H, LIR1632 and the LIR2016. I use various of...