Lipo 20000mah Battery Backup Charging Case w/ MakerFocus 186 50 Charging Board

thingiverse

Hi All, I recently discovered a discarded 20,000mah battery pack in the trash that wasn't functioning properly, but after running tests and using a separate lipo charger it worked great so I decided to build a case for it and recycle the battery for personal use. I created this in TinkerCad which took a few revisions and resulted in a slightly thinner and a slightly thicker case. I prefer the thicker case, but thought I would provide both. This case was designed around the MakerFocus 18650 Charging Board that I found on Amazon here: https://www.amazon.com/gp/product/B07M836ZV3/ref=ppx_yo_dt_b_asin_title_o04_s00?ie=UTF8&th=1 It is a great little board with QC. The only technical challenge I was deciding between was how to make it work for such a wide battery with a button on one side and a lightning charger port on the other. Rather than soldering on a wired button I decided to build a track with a plastic plunger that triggers the button. I used super glue to secure the brackets above the pass through slot in place. You could use support on this, but I was impressed that it doesn't need it. I didn't see many cases using this charging board so I thought I would share. Cheers! *NOTE* The draft files have a general spacing mock up of the charging board. I used that to provide proper spacing for pegs to attach screws as well as placement for holes and switch alignment. I hid most of that components (and grouped transparent holes) in the final thin and wide versions. Noting this in case you'd like to use that spacing for the board and not the case itself for other projects. I used a digital caliper to get all the spacing as close as possible. *NOTE*