PowerBank under 3$
Description
<h1><u>PowerBank under 3$</u></h1> <h4>I was thinking what I gonna do with all my Li-Ion 18650 batteries.</h4> <p>A PowerBank <b>under 3$</b> could be a nice project to deal with. It can also be usefull for my gigantic 7 segments Arduino clock project</p> <p>So I decided to make a portable power bank using 5<a href='https://www.banggood.com/2PCS-INR18650-30Q-3000mah-20A-Plate-Head-Li-ion-Battery-With-Box-For-Samsung-p-1180497.html?p=CZ2005204372201306X4&custlinkid=121002'' title="With a Title"> Samsung P22 18650's Li-Ion batteries</a> wired in parallel giving me a nice 11Ah power supply.</p> <h4><u>What else you will need?</u></h4> <ul> <li><a target='_blank' href='https://www.banggood.com/TP4056-Micro-USB-5V-1A-Lithium-Battery-Charging-Module-Board-TE585-Lipo-Charger-p-1225993.html?p=CZ2005204372201306X4&custlinkid=120962' title='' >TP4056 Micro USB 5V 1A Lithium Battery Charging Protection Board </a></li> <li><a href="https://www.banggood.com/2Pcs-5V-Lithium-Battery-Charger-Step-Up-Protection-Board-Boost-Power-Module-Micro-USB-Li-Po-Li-ion-1-p-1366320.html?p=CZ2005204372201306X4&custlinkid=126170" title="With a Title"> USB boost up </a></li> <li><a href="https://www.aliexpress.com/item/100pcs-M2-M2-5-M3-Copper-Inserts-Brass-Double-Pass-Knurl-Nut-Embedded-Fastener/32842866575.html?spm=2114.search0104.3.9.503859baUdnTZX&ws_ab_test=searchweb0_0,searchweb201602_3_10065_10068_10890_319_10546_317_10548_10696_453_10084_454_10083_433_10618_431_10307_537_536_10059_10884_10887_100031_321_322_10103,searchweb201603_45,ppcSwitch_0&algo_expid=ffc6ff8f-fcee-40e7-9907-db3ebc13f71e-1&algo_pvid=ffc6ff8f-fcee-40e7-9907-db3ebc13f71e&transAbTest=ae803_4" title="With a Title"> M3 Inserts </a></li> <li>M3*16mm Allen screws</li> </ul> <p>To speed up charging of the <b>PowerBank</b> I added a <a href="https://www.banggood.com/10-Pair-URUAV-XT60-Male-Female-Bullet-Connectors-Power-Plugs-with-Heat-Shrink-Tube-for-Lipo-Battery-p-1396830.html?p=CZ2005204372201306X4&custlinkid=126176" title="With a Title"> XT60</a> plug so I can use my <a href="https://www.banggood.com/ISDT-Q6-Pro-BattGo-300W-14A-Pocket-Lipo-Battery-Balance-Charger-With-12V-25A-300W-Power-Supply-p-1381780.html?p=CZ2005204372201306X4&custlinkid=126181" title="With a Title"> RC battery charger</a> to charge it really <b>fast!</b></p> <h4><u>To build this <b>PowerBank</b> I used the following tools:</u></h4> <ul> <li><a href="https://www.banggood.com/10-Pair-URUAV-XT60-Male-Female-Bullet-Connectors-Power-Plugs-with-Heat-Shrink-Tube-for-Lipo-Battery-p-1396830.html?p=CZ2005204372201306X4&custlinkid=126176" title="With a Title"> Creality 3D® CR-10S</a> 3D printer with huge printing bed 500/500mm</li> <li><a href="https://www.banggood.com/Creality-3D-WhiteBlackYellowBlueRed-1KG-1_75mm-PLA-Filament-For-3D-Printer-p-1290153.html?p=CZ2005204372201306X4&custlinkid=126235" title="With a Title"> PLA filament</a> </li> <li><a href="https://www.banggood.com/8586-110V-Professional-SMD-Soldering-Station-Hot-Air-Gun-Welding-Tool-p-1120923.html?p=CZ2005204372201306X4&custlinkid=126211" title="With a Title"> Soldering station</a> with hot air gun</li> <li><a href="https://www.banggood.com/20W-Blue-Mini-Heating-Hot-Melt-Glue-Crafts-Repair-Tools-p-933131.html?p=CZ2005204372201306X4&custlinkid=126218" title="With a Title"> Hot glue</a></li> <li><a href="https://www.banggood.com/Realacc-V2-Strange-Third-Hand-Seven-Arm-Soldering-Station-with-USB-Fan-Caliper-p-1148617.html?p=CZ2005204372201306X4&custlinkid=126225" title="With a Title"> Soldering third hand</a></li> </ul> <h2><b>GOOD LUCK (:</b></h2>
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