Thank you for quick response.

I have tried that, and. It will last about 2 hours. Last night it went from 100% to 50% in five minutes. I was using Zoom which is a video chat app.

After paying just over $3000 in 2017, and still paying it off as well as getting Apple Care,

I’m still asked to pay enormous amounts for a new battery. I get the feeling that it is not the battery though.