I've been using the phoneINFO app for a number of years without issue however I skip the request to input my phone's serial number and the app still works fine in regards to what I want to see about my phone.
I also use the CPU-Z App too.
Your Battery information is within the phone under About Phone which you've cone across to which I would go on that information and not particularly what the apps show.
Daily Driver > Samsung Galaxy s²² Ultra 256Gb in Phantom Black.
The advice I offer is my own and does not represent Samsung’s position.
I have no affiliation with Samsung.