When opening the computer to replace the battery, I ended up damaging the digitizer cable on the LCD screen. Any way this...

Unit is 2 years old with light use. Battery is fully charged, however unit is working properly only for bout 20-30 seconds...

I am experiencing this same exact issue. In my case, I am using a ifixit battery, replaced 6 months old, worked great until now. Able to use the computer only when is plugged in, and performance is mediocre, something definitely affects performance.

I am experiencing the same issue, spot is perfectly centered on bottom screen, it appeared a few weeks ago after more than a year of use. Surface Pro 5th gen. Uneven pressure would make sense although can’t think of any event that might have created this. Always had the keyboard protecting the screen when travelling. Wanted to share this for the sake of tracking the issue.

Thanks everyone for your feedback! Replacing the batteries solved the problem in my case. Original batteries weren’t available when I was searching. I managed to swap the batteries with the “SAMSUNG-30Q-18650-3000-FLAT“. So far everything works perfectly.