Power bank of 4 18650 batteries for helmet looks like NVG Battery box. You will need to glue it with solvent. PCB take from cheap power bank from aliexpress. Other parts like spring contacts take from old technics.
1.stl | 954.6KB | |
10.stl | 4.3MB | |
11.stl | 36.4KB | |
12.stl | 70.4KB | |
2.stl | 2.8MB | |
3.stl | 35.0KB | |
4.stl | 5.0MB | |
5.stl | 12.0MB | |
6.stl | 6.4MB | |
7.stl | 2.0MB | |
8.stl | 36.4KB | |
9.stl | 495.8KB | |
battery_box_whole.stl | 34.0MB |