Can I show battery percentage on my iPhone 13 pro

You can, however, not at the spot where you are accustomed to seeing the battery icon. You will need to install the Battery Widget on the home screen. Please click here 👉 To Learn How to Add Widgets on an iPhone.

Axel F.

You also have the ability to swipe down Control Center and see the actual percentage on that screen, but not on the lock screen or home screen, except for the Widget that Axel has indicated.