Battery Ring app is clean and simple app to indicate battery level with style. It also utilise from hole punch camera space on phones.

Battery ring starts animating when you plug your phone for charging. this is simple indicator to know phone is charging.

Its energy ring on Home Screen that always indicate your phone's current battery level.

App do works for all phones, you can place battery ring on hole punch camera or if your phone do not have hole punch camera but it have navigation bar at bottom, you can place battery ring at bottom centre location exactly on circle of your home button in navigation bar, this is completely customisable.