battery case 4S 18650

thingiverse

Here is the rewritten text: This is a box for assembling a 4S Li-ion 18650 battery. Designed as a drone battery case from the ground up, it includes a balance port and an XT60 port. The 3D printed parts are: the cover, the top, the welding template (gab), the centering triangle (triangle), and the bottom. The transport plugs for the ports are made of TPU. You will need: The batteries are Samsung INR18650-35E 3450mAh - 10A available here: https://www.nkon.nl/en/rechargeable/li-ion/18650-size/samsung-inr18650-35e-refurbished.html Nickel sheets 0.15x8x100: https://fr.aliexpress.com/item/32962881106.html Silicone cable for balance wires 24 AWG: https://fr.aliexpress.com/item/32835871902.html XT60 plugs: https://fr.aliexpress.com/item/32955886178.html JST XH 5P balance connectors: https://www.amazon.fr/gp/product/B079MJ1RYN/ref=ppx_yo_dt_b_asin_title_o07_s00?ie=UTF8&psc=1 Solder, soldering iron, and hot glue. I made a soldering iron with a microwave transformer and a control board: https://fr.aliexpress.com/item/32808302953.html Print the cover and top at the same time, one on top of the other (see Simplify 3D screenshot), to save supports and get a good finish. Avoid applying too much pressure, or you may end up with problems when separating the cover from the top. /!\ BE CAREFUL /! The XT60 and JST connectors have exposed pins, so be careful! You will need transport plugs made of TPU, otherwise it's at your own risk.