Power Bank 10000mah Case

This is a power bank case in two parts. Require item: 1. 3D printed case 2. 18650 li-ion battery 4 Pcs. (see below links) 3. Power bank Board(see below link) 4. M2x4mm wooden screw 2 Pcs. Power bank PCB: 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: 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 Description; Print power bank case and make a hole for PCB mounting and connect 4 pcs. of 18650 battery in parallel and connect 18650 batte