18650 Modular Holder
thingiverse
It's a 18650 holder with an integrated spring on both sides Modular design allows you to assemble rows of them, extending infinitely Designed to work with those M3 computer screws to hold copper contacts Let me know in the comments how it's working for you Print with ABS since PLA springs will not remain springy and will stay compressed overtime. I'm using this holder to easily balance cells before connecting them in parallel.
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