Button Cell Stacker
di Froggysoft
1 / 8
File stampabili (2)
Descrizione
Who said old button cell batteries are useless?
Stack a lot of them in series and squeeze every last milli-ampere from them...or create a high voltage DC source.
Just stack all your (20mm) button cells +/-/+/-/etc. in series.
I filled mine half-full and measured 63V !!!