21700 battery case hexagon style

21700_cover_body.stl

Onewheel XR VESC 18S1P P45B Trick Pack Case for Stock XR Battery Box

18S Trick Pack.step

Minimal 21700 Holder

Lithium cells are great - high capacity, higher voltage and current than household batteries. But you don't want to just throw a lithium battery in to your bag because they can be a fire risk if shorted.

I saw a simple 18650 holder that was two caps that were held together with elastic bands (https://thangs.com/designer/Nf1nk/3d-model/18650%20holder%20%281%29.stl-861781). However, I also have 21700 batteries, and this one wouldn't work with those. So I whipped up a simple FreeCAD project that could be easily modified for most common sizes.

Print two and insert up to three 21700 batteries. Secure the two caps with hair elastics.

The original on Thangs had no license specified. It's a pretty trivial object so do with it what you will. I am also uploading a version for 18650 batteries.

21700

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21700 battery case hexagon style

Onewheel XR VESC 18S1P P45B Trick Pack Case for Stock XR Battery Box

Minimal 21700 Holder