Exact same here!
After update to Big Sur... brand new MBP 2018 touchbar is a desktop! Wont charge battery that has 2 cycles on it! Stuck at 1% and showing Service Recommended!
Apple, this is absurd! There are hundereds of people with this problem that I found with a quick google search! Please fix your software so that we can use the laptops we bought as laptops, not desktop PCs!
UNACCEPTABLE!