Rechargeable Flashlight Full Design

Thank you for checking out my design.
If you aren't familiar with soldering and electronics OR you would like to support my work, I have them for sale on Etsy:
https://www.etsy.com/listing/597478602/3d-printed-rechargeable-led-flashlight?ga_order=most_relevant&ga_search_type=all&ga_view_type=gallery&ga_search_query=rechargeable%20flashlight&ref=sr_gallery-1-26
PARTS LIST:
Charge regulator: https://www.amazon.com/gp/product/B01DRT4PWY/ref=oh_aui_detailpage_o03_s01?ie=UTF8&psc=1

Battery: h