Fixing an Old Drill Battery With 18650 Cells 

In this video, I fixed my old drill battery with 18650 cells.
Using Power Delivery and QC3.0, this battery now has Fast Charging over USB Type C!
The chapters:
00:00 - Intro
01:04 - The components
03:22 - The enclosure
03:43 - Proof of concept
05:58 - The build
08:37 - The end
The components I used:
-USB-C PD Charger;
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-BMS Board;
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-Voltmeter;
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-Push Button Switch;
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-3mm LEDs;
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