Thank you for these instructions. 61yo female here and I did it in 15 min. from start to finish.
Biggest challenge is holding onto the little screws. I had 4 separate little bowls to put them in as they came out and that helped.
Only thing I would change is more guidance about inserting the battery tab to the laptop connector. It didn’t “snap” in so felt a bit unsure about the connection. Just pushed it in as far as it would go and it seems to have worked.
I also magnetized my screwdriver to help hold onto the little screws. That helped too.