In need of a portable power supply, [Alastair] threw some batteries into an Altoids tin. The problem was he didn’t have a holder for these size A23 cells. Inspiration struck and he realized the ...
Believe it or not, the coin cell battery holder was invented over 30 years ago. Patent drawing for the first coin cell battery holder. Since that first model was used, there have been plenty more ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results