These button batteries usually have small capacity, but can do the job for lower power needs, such as remote control devices, timer/clock, .... but I have not met with a rechargeable types, usually its alkaline or Lithium based. Small rechargable NiMh and NiCd are similar to button cells but they are different. :smile:
Small NiMh/NiCd rechargable similar to button cell batteries:
**broken link removed**
See Energizer CR2032 tech information (240mAh to 2V, its not bad at all):
http://data.energizer.com/PDFs/cr2032.pdf
Dont mix Lithium based NON rechargable with Lithium based Li-Po/Li-Ion rechargable.
CR2032 and similar button cells are not rechargable.
Best regards,
Peter
:wink: