New European Union regulations have forced Apple to reveal battery capacities for the upcoming iPhone 18 Pro and iPhone 18 Pro Max. These details were previously omitted in favor of video playback hours.

• The iPhone 18 Pro is listed with a 4,056 mAh battery, and the iPhone 18 Pro Max with a 5,391 mAh battery.
• These capacities are for models with a physical SIM tray, with eSIM-only variants expected to have slightly larger batteries.
• Compared to the previous generation, the iPhone 18 Pro sees a small battery increase of 1.7%, while the iPhone 18 Pro Max has a more significant gain of 11.8%.