How do I know my battery life status ?

Go to Settings/Battery/Battery Health.

Click on this link about 'iPhone Battery and Performance' to read about the battery health feature and what is considered normal performance --> https://support.apple.com/HT208387

Click on the link to read 'About the battery and performance of iPhone 11' --> https://support.apple.com/HT210557

- About performance as batteries age

- Check battery health on your iPhone

For iPhone 11 models read 'About recalibration of battery health reporting in iOS 14.5' [and later]. Click here --> https://support.apple.com/HT212247