1. conandrum

    Convert 1.5V AA device (Braun Face) to 3.7V 18650 rechargeable

    Hi all, I need your ideas again. I am trying to convert a trusty 8 year-old device (Braun Face) from an AA battery into a rechargeable. (they make rechargeable versions of this now). (It is too much hassle opening and closing the battery compartment on these. You need a coin to twist the base...
Top