Comment by tencentshill
11 hours ago
This must be paired with strong lithium battery import regulation. Even the highest quality OEM batteries can fail in dangerous ways (See many models of Samsung, Surface or Macbook). Cheap, dangerous Chinese imports must be eliminated as an option, because the secondhand owners doing this replacement will likely buy the cheapest replacement battery available on the market.
the largest danger with pouch cells will always be mishandling followed by bad BMS.
it's so routine that they get abused that every llm I asked blamed leaving laptops plugged in for a spicy pillow.