modular 18650 battery and bms holder 3S 4P
thingiverse
I was looking for a solid strong 18650 holder that was easy to print. I've designed top and bottom holders including joints to include a center separator to increase the strength of the battery holder. Also lids are included to make sure no electrical connection from the batteries can be made. Also a clip that attaches to the sides is included to hold everything together. Depending on your tolerances this is a snap fit (which can be disassembled) or use a small drop of (hot) glue. The BMS I have used is this one. <a href="https://s.click.aliexpress.com/e/_d7i2Xel"_parent">AliExpress.com Product - 3S 10A 20A 25A 30A 40A Li-ion Lithium Battery 18650 Charger PCB BMS Protection Board For Drill Motor Lipo Cell Module</a> The space between the cells is enough for up to 8mm nickel strips. <a href="https://s.click.aliexpress.com/e/_dYEkSs5"_parent">AliExpress.com Product - 10M 8mm x 0.1/0.12/0.15 Pure Nickel Strip Tape For Li 18650 Battery Spot Welding Compatible For Spot Welder Machine</a> If you see any potential improvemens please provide feedback via the comments and I will do my best to incorporate it in an updated design!
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