Apple's Iphone 18 Pro Models: Key Differences and Battery Specs Unveiled
WHO:
9to5Mac - The leaker known as "Digital Chat Station" posted information about the iPhone 18 Pro models.
MacRumors - The same leaker, "Digital Chat Station," is cited for revealing battery capacities.
WHAT:
9to5Mac - The iPhone 18 Pro Max is expected to have a battery capacity of 5,567mAh in the U.S., which represents a nearly 10% increase compared to the iPhone 17 Pro Max.
MacRumors - The iPhone 18 Pro is expected to have a battery capacity of 4,288mAh in the U.S., showing an increase of less than 1% over the iPhone 17 Pro.
9to5Mac - The iPhone 18 Pro is rated for 4,056mAh in China and 4,288mAh in the U.S.
9to5Mac - The iPhone 17 Pro had battery capacities of 3,988mAh in China and 4,252mAh in the U.S.
9to5Mac - The iPhone 18 Pro Max is rated for 5,391mAh in China and 5,567mAh in the U.S.
MacRumors - The iPhone 17 Pro Max had battery capacities of 4,823mAh in China and 5,088mAh in the U.S.
MacRumors - The increase in battery capacity for the iPhone 18 Pro Max is nearly 500mAh compared to the iPhone 17 Pro Max.
MacRumors - The certification listings show rated energy figures of up to 21.751Wh and a 4.520V charge limit voltage.
WHERE:
9to5Mac - The battery data was revealed through a Chinese regulatory database.
MacRumors - The battery capacities differ between models sold in China and the U.S.
WHEN:
Forbes - The most likely date for the debut of the iPhone 18 Pro, iPhone 18 Pro Max, and foldable iPhone is September 8, with September 9 as a runner-up. Pre-orders are expected to open on September 11, and the general release of iOS 27 is likely to occur on September 14. Reviews are anticipated to go live on September 15 or September 16.
MacRumors - The iPhone 18 Pro and iPhone 18 Pro Max are expected to launch in September.
MacRumors - The certification listings for the batteries are valid through May or June 2031.
WHY:
MacRumors - The difference in battery capacities between U.S. and China models is due to the inclusion of a SIM tray in models sold outside the U.S., allowing for a slightly larger battery in the U.S. versions.
HOW:
9to5Mac - The battery capacities were leaked from a Chinese regulatory database, which is often a reliable source for upcoming iPhone specifications.
(UPDATED July 7, 2026 01:36 UTC)
The highly anticipated debut of the iPhone 18 Pro, iPhone 18 Pro Max, and a foldable iPhone is expected on September 8, with September 9 as a possible alternative. Pre-orders for these new devices are set to open on September 11, while the general release of iOS 27 is likely to happen on September 14. Reviews for the new products are expected to be published on either September 15 or September 16.
--
(UPDATED July 6, 2026 23:22 UTC)
The upcoming iPhone 18 Pro Max is anticipated to feature a battery capacity of 5,567mAh in the U.S., marking a nearly 10% increase from its predecessor, the iPhone 17 Pro Max. Meanwhile, the iPhone 18 Pro is expected to have a battery capacity of 4,288mAh, which is a slight increase of less than 1% over the iPhone 17 Pro. Both models are set to launch in September.
--
(UPDATED July 6, 2026 19:35 UTC)
A leaker known as "Digital Chat Station" has revealed details about the upcoming iPhone 18 Pro models, including their battery capacities, which show a notable increase compared to the iPhone 17 Pro. The iPhone 18 Pro is expected to feature a battery rated at 4,056mAh in China and 4,288mAh in the U.S., while the iPhone 18 Pro Max will have capacities of 5,391mAh in China and 5,567mAh in the U.S., marking an increase of nearly 500mAh from the previous model. These battery specifications were sourced from a Chinese regulatory database and will remain valid through May or June 2031.