2 x 18650 case

by DarthCorvus Nov 5, 2014
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I also have some AA and AAA size springs and tabs...

Could you make a 3 elements version? That would be great

How did you fabricate the battery connections / springs / tabs?

I have some AA and AAA size springs and tabs from broken devices. 18650 is widely then AA, so i have to separate the spring and wire plate (on right on foto) and solder them together whis a little metal connector made from tin. The left spring and tab plates installed without made any changes.
If you have not springs you may print Enif's holder http://www.thingiverse.com/thing:456900/

Flexing battery holders with integrated spring
by enif