These make building your own electric-danger-machine batteries easier.
Soldering, spot-welding. and li-ion battery building know-how required. You supply 4x 18650 cells of your choosing.
Specs & Dimensions:
OpenSource Files:
Absolutely love these boards. using them on a 10s4p battery and it makes everything look so much cleaner! I especially love the small solder points on both the positive and negative side. the perfect places to solder a balance wire!