While other manufacturers print the milliamp-hour figure right on the spec sheet, Apple usually highlights hours of video playback instead. The Numbers Behind the iPhone 17 FamilyHere’s the official breakdown:iPhone 17 → 3,692mAhiPhone 17 Pro → 4,252mAhiPhone 17 Pro Max → 5,088mAhiPhone Air → 3,149mAhThe iPhone Air carries the smallest cell of the group. That’s why it launched a new MagSafe battery pack built just for the Air. The TakeawayThe iPhone Air won’t win a numbers contest, but that was never the point. Apple chose design and efficiency over a bulky battery, betting that most users will find it more than capable.