Power Bank 10000mah Case

thingiverse

This is a power bank case made up of two separate parts. Requirements include: 1. A 3D printed case 2. Four 18650 li-ion batteries (see below links) 3. Power Bank Board (see below link) 4. Two M2x4mm wooden screws Power bank PCB can be found at: 1. https://www.ebay.in/itm/5V-1A-Power-Bank-Charger-Board-Charging-Circuit-PCB-Board-Step-Up-Boost-Module/302784764711?hash=item467f60db27:g:jb8AAOSwHpdZxqNx 2. https://www.banggood.com/DIY-Power-Bank-Motherboard-Circuit-Board-Lithium-Battery-Charging-Board-p-1311987.html?rmmds=search&cur_warehouse=CN 18650 li-ion battery links are: 1. https://www.ebay.in/itm/4PCS-100-Original-Samsung-18650-2600mAh-battery-ICR18650-26J-Li-i/123242535699?hash=item1cb1d3db13:g:nRQAAOSwuuRapquj 2. https://www.banggood.com/4PCS-Samsung-INR18650-30Q-3000mAh-Unprotected-Button-Top-18650-Battery-With-Protected-box-p-1184782.html?rmmds=search&cur_warehouse=CN To assemble, print the power bank case and drill a hole for PCB mounting. Connect four 18650 batteries in parallel on the PCB board, attaching the battery's positive and negative terminals to B+ and B-. Place the batteries inside the case and insulate them from the PCB using Kapton tape or another electrical insulation material. Next, secure the top case with transparent adhesive, then attach the two parts of the case together. The power bank is now ready for use.