Go to the Settings app on your iPhone. Tap Battery, tap View All Battery Usage, then tap a day. The App and System Activity section helps you understand what’s using your battery by listing the percentage of battery used by each app and system task.
Learn how to maximize battery performance and help extend battery lifespan. For example: Keep your iPhone half charged when it’s stored for the long term. Avoid charging or leaving your iPhone in hot environments, including direct sun exposure, for
This video provides a comprehensive battery drain life test comparison for iPhone models 11, 12, 13, 14, and 15 in 2025. I evaluate battery performance under iOS 18.3.2, analyzing...