Battery Clip for bike stem or other tubes

Battery Clip
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As discussed [lipo batteries serve pretty well as energy source for BUM Ixon IQs.](http://carloscologne.de/pimp_bum_ixon.html).
Instead of using a velcro strap, this clip can be printed twice and used to push the battery in.

You can customize the following Openscad design to match your bikes stem or top-tube, the straps you want to use, or even fit different batteries:

Here we have the battery, with two clips attached to i