Phone 17 Air will have a futuristic design, but battery life looks set to take a step backwards, as one notable leaker just ...

iPhone 17 Air could be crazy thin, weigh little to nothing (about 145g), and feature a 2,800 mAh battery capacity. However, there's a trick.

The larger battery will certainly give the iPhone 17 Pro Max improved battery life. But the exact increase in time of use will be determined by various other factors, including iOS 26 optimizations.