Repair Attempt - 18650 DIY Powerwall Fail

My DIY Powerwall has an issue which I attempt to fix in this video.

Items used in this video (affiliated links):
Aneng AN8002 Multimeter: https://s.click.aliexpress.com/e/_DEpvZjt
EPEver Tracer MPPT Solar Charge Controller: https://s.click.aliexpress.com/e/_dVRdPuv

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Affiliated links help me produce videos and don't cost you anything, so why not spend the kids inheritance on stuff you want from:
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Amazon US: https://amzn.to/35UDCQk
Banggood: https://www.banggood.com/custlink/KvmD1md07Q
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