It's saying that in the battery section as it is learning your usage to adjust the phone's preferences.
Also a new battery wouldn't normally hit optimum output until it's been charged and discharged a few time's.
The battery section should tell you what's using your battery too @wanderingwriter2014
If you perform a forum search you'll find lots of existing threads in regards to various battery saving tips.
Daily Driver > Samsung Galaxy s²⁴ Ultra 512Gb ~ Titanium Black.
The advice I offer is my own and does not represent Samsung’s position.
I'm here to help. " This is the way. "
