OTE Power Wall 18650 Li Ion battery pack build #3 my first 4x20 pack build

In this Video I will show you what I am doing and it is meant for me only do so at your own risk or reward enjoy.
This is me building my first 4x20 18650 battery pack
The good is it is done
The bad is that it was not really good
The ugly is I made a few mistakes along the way but live and learn
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