About battery and performance - Apple Support

Learn about the battery and performance of iPhone 11 models and later.

Customize your Mac with System Settings - Apple Support

iPhone Battery and Performance - Apple Support

How to chat live with Apple Support on the web or your device

Activity Monitor User Guide for Mac - Apple Support

How to Tell if You Need a New iPhone Battery

How to chat live with Apple Support on the web or your device

Charge your AirPods and find out about battery life - Apple Support (IN)

I Was a Superman for a Week, According to My Apple Watch - CNET

About recalibration of battery health reporting in iOS 14.5 - Apple Support

About Optimized Battery Charging on your iPhone - Apple Support

Upcoming iOS update will bring battery recalibration for the iPhone 11 series

Activity Monitor User Guide for Mac - Apple Support