Telsin Replacement GoPro Hero 5,6,7 Battery Unboxing and Review

I have a GoPro Hero 6 I bought in 2019. The extra battery and charger I bought have worked well over the last five years, but one of the batteries has started to bulge out. When that happens to a lithium battery, it's time to replace it. One thing that can cause it is leaving the battery in a charger and not having a smart enough charger that shuts down charging when the battery is full.

The other original GoPro battery, looks okay, but doesn't hold a charge as well as it used to.
GoPro doesn't seem to sell batteries for the Hero 5,6, or 7 on their website. Planned Obsolescence? They are still selling the camera on Amazon!
Very disappointing.
:(
I searched around and found a replacement set of 2 batteries and charger from Telsin.

This video documents my experience with the Telsin GoPro Hero 5,6,7 replacement battery.

Link to Telsin Batteries & Charger on Amazon:
https://www.amazon.com/gp/product/B07PFTR6WL/

Link to GoPro Hero 6 on Amazon:
https://www.amazon.com/gp/product/B074X5WPC5/

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Link to my Etsy Store:
https://betacygnidesigns.etsy.com/
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End Screen Video Acknowledgement: Cosmic Reef Video produced by NASA and the Space Telescope Science Institute (STScI).
https://hubblesite.org/contents/media/videos/2020/16/1277-Video