Battery health !!!
I lost 2% of battery health with in a month. I'm not a heavy user but its dropped so fast. I played a pubg for around 2 or 3 hrs. Is this happens due to playing pubg or what?
iPhone 11 Pro, iOS 13
See here: https://www.apple.com/batteries/maximizing-performance/
And here: https://support.apple.com/en-gb/HT208387
And here too: https://support.apple.com/en-gb/HT201264
Finally don’t worry about it until it gets to 80% or less.