DIY Flashlight Housing. Build List Noted

This is a DIY flashlight housing that will hold the electronics and battery for you flashlight. It is scaled to mate directly to the fan connected to your LED heatsink and LED. Here is a video of my finished product:

https://www.youtube.com/watch?v=U8J-zPceQE8

Other things you'll need

Buck Converter to step down battery to 12v for fan:
https://www.amazon.com/Converter-1-25-36V-Step-down-Regulator-Voltage/dp/B074XRYC1M/ref=sr_1_2_sspa?ie=UTF8&qid=1521946510&sr=8-2-spons&keywords=buck+co