Unlike other methods of connecting 18650 batteries like spot welding or soldering, this method is not permanent and does not damage cells, and only requires a 3D
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printer and nickel strips.
I have included the STLs for the 5p configururation, negative and positive lids and the single cell holder, from which you may create any configuration you wish.
Alternitavely, you may wish to use this link to download your favourite format: https://a360.co/2Umkqno (single cell)
https://a360.co/2UBPTSN (5p cells)
Do not use PLA fillament for this as this fillament may melt if the batteries get hot.