18650 to 21700
thingiverse
The project is underway to transform a standard 18650 battery into a high-capacity 21700 cell. To accomplish this conversion, you will need one 5mm M3 screw. If space is at a premium, consider using a shorter screw to ensure the adapter fits seamlessly within the confines of a flat top cell.
Download Model from thingiverse
With this file you will be able to print 18650 to 21700 with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on 18650 to 21700.