![People are just realising hidden iPhone button can save you from 'battery drain' – leave it turned on forever | The Sun People are just realising hidden iPhone button can save you from 'battery drain' – leave it turned on forever | The Sun](https://www.thesun.co.uk/wp-content/uploads/2023/04/iphone-battery-charge-comp.jpg?w=620)
People are just realising hidden iPhone button can save you from 'battery drain' – leave it turned on forever | The Sun
![iOS update 17.2.1 battery drain on iPhone 13 PRO MAX - View the latest topics and posts, or post: Discussion Forum iOS update 17.2.1 battery drain on iPhone 13 PRO MAX - View the latest topics and posts, or post: Discussion Forum](https://i.ibb.co/5vmgSXP/Iphone-13-pro-max-17-2-1-battery-drain.png)
iOS update 17.2.1 battery drain on iPhone 13 PRO MAX - View the latest topics and posts, or post: Discussion Forum
![iPhone 13 and iPhone 13 Pro battery test shows just how much ProMotion improves efficiency [Video] - 9to5Mac iPhone 13 and iPhone 13 Pro battery test shows just how much ProMotion improves efficiency [Video] - 9to5Mac](https://9to5mac.com/wp-content/uploads/sites/6/2021/10/iphone-13-vs-13-pro-battery-life-video.jpg?quality=82&strip=all)
iPhone 13 and iPhone 13 Pro battery test shows just how much ProMotion improves efficiency [Video] - 9to5Mac
![I suspect my iPhone 13 battery is draining very fast. My battery is at 99% health and I have to keep the low power mode on throughout to get it through the I suspect my iPhone 13 battery is draining very fast. My battery is at 99% health and I have to keep the low power mode on throughout to get it through the](https://preview.redd.it/kexantn68pi91.jpg?auto=webp&s=24532da2e5a7e05cd8faa00652c42638c40e815c)