Rotating connection for 18650 charger to charge lithium battery
thingiverse
This is a connection for lithium Battery to charged on 18650 charger You just need Two pairs of M3 screws and nuts, better connect with low resistance power lines. So you can charge and measure the battery capacity on the 18650 charger. Inspiration comes from this connection https://www.thingiverse.com/thing:5270374 and I simplified it.
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