the manufacturer doesn’t sell replacements

Me reading that: I wonder why they don’t sell the replacement battery.

buying another device at $1500 or more

Me: Ohhhhh 😮‍💨

Now the floor is covered in … brown skids 🫠

Thank you for the explanation. Hopefully I learn something from the reference you linked. I’ll watch the video first before reading the literatures.

Thank you for taking the time to explain the topic to me. I appreciate it. I’ll try to read the book.

What does “material analysis” means in this context? What should I search to know more? I searched the term and only came up with chemistry topics.