A fresh leak from ShrimpApplePro has revealed what are allegedly the real battery capacities for all four models:The standard iPhone 17 will reportedly come with a 3692mAh battery—a slight 3.6% increase over the iPhone 16. That's around a 50% decrease from the iPhone 16 Plus model's capacity, but the iPhone 17 Air is expected to be around 30% slimmer. The iPhone 17 Pro is listed as 4252mAh (eSIM only) or 3988mAh (for models with a SIM tray). The iPhone 17 Pro Max is shown with 5088mAh (eSIM only) or 4823mAh (with a SIM tray). The difference amounts to 3.7% more capacity for the iPhone 17 Air, 6.6% more for the iPhone 17 Pro, and 5.5% more for the iPhone 17 Pro Max compared to their SIM tray versions, as reported by 9to5Mac.