Never Buy Batteries Again! How to Make a 9V Li-Ion Rechargeable Battery
In this video I will show you how to make this USB 9V Li-Ion ( LiPo ) rechargeable battery with a 3D printed case, I also designed PCB for this battery that contains the TC4056 battery charging IC that it will ensure that the battery is properly charged and the MT3608 boost converter to boost the battery voltage to 9V. You will find all the necessary files in the link down below, also consider supporting me on Patreon!
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Link to Files: https://drive.google.com/drive/folder...

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