About battery and performance - Apple Support

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

Apple Vision Pro Battery and Performance - Apple Support (SA)

iPhone Battery Repair & Replacement - Apple Support (HK)

Apple support page discusses iPhone performance management, throttling options in iOS 11.3

Apple Support on the App Store

About Optimized Battery Charging on your iPhone - Apple Support

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

About battery health management in Mac laptops - Apple Support

How to Tell if You Need a New iPhone Battery

Hidden iPhone button can save you from 'battery drain' – leave it turned on

iPhone Battery and Performance - Apple Support

How to Tell if You Need a New iPhone Battery

iPhone parts and service history - Apple Support