Show the iPhone battery percentage
You can view how much charge remains in your iPhone battery in the status bar. You can also add a widget to the Home Screen to monitor the battery levels of your iPhone and connected accessories (including AirPods and other devices).
See the iPhone battery percentage in the status bar
Go to Settings > Battery, then turn on Battery Percentage.
On an iPhone with Face ID, the battery percentage appears inside the battery symbol on the status bar.
Tip: On iPhone models with Face ID, you can also swipe down from the top-right corner to quickly view the battery percentage in Control Center.
Add a Batteries widget to your Home Screen
Touch and hold the Home Screen background until the apps begin to jiggle.
Tap
at the top of the screen, then scroll down and tap Batteries.
Swipe left and right through the widgets to view the size options.
The different sizes show different information.
When you see the size you want, tap Add Widget, then tap Done.
To learn how to maximize your battery’s performance and lifespan, see the Apple Support article iPhone Battery and Performance.