Strap Mount for Fat Shark Headset LI-ION 18650 Case

I got one of the new Fatshark (Fat Shark) battery cases that use the LI-ION 18650 batteries. This is great and has a larger capacity as well as offering the ability to easily change out the batteries. The battery case is much bigger than the original and does not fit well in the strap. I designed this battery holder to allow you to easily mount the battery in your head strap without stretching it too much. The fit is actually a couple of mm smaller than the original battery. It also allows