Close-up of Apple’s iPhone 18 Pro showcasing sleek design with emphasis on the larger battery feature.

Apple’s iPhone 18 Pro Max Boasts an 11.7% Larger Battery Than Its Predecessor

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Written by Seth Sebastian

2026-09-10

The excitement around Apple’s iPhone 18 Pro and iPhone 18 Pro Max isn’t just about sleek design—it’s what’s inside that truly counts. The anticipation for the latest models continues to build as Apple recently disclosed the battery capacities, offering a clear picture of what you can expect in terms of performance.

According to Apple, the iPhone 18 Pro features a 4,056 mAh battery, reflecting a modest 1.7% increase over the iPhone 17 Pro’s 3,988 mAh. Meanwhile, the iPhone 18 Pro Max stands out with a significant 11.7% boost, housing a 5,391 mAh battery compared to its predecessor’s 4,823 mAh. These enhancements show the company’s commitment to providing longer usage times with its innovative design.

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The disclosure comes as Apple complies with the EU requirement to publish energy labels on product pages, allowing consumers to make informed decisions based on battery capacity. As consumers evaluate options, the new models continually demonstrate their superiority in battery lifespan.

Apple’s iPhone 18: eSIM-Only Models and Availability

For those in Bahrain, Canada, Guam, Japan, Kuwait, Mexico, Oman, Qatar, Saudi Arabia, the United Arab Emirates, the U.S., and the U.S. Virgin Islands, and several other locations, the iPhone 18 Pro versions will be eSIM-only, taking advantage of the space vacated by the absent physical SIM card tray. This modification permits a slightly larger battery, although specific capacities for these models haven’t been released yet. The redesigned phone aims to optimize this design shift to enhance user satisfaction.

In contrast, countries such as the U.K. and regions in Europe will continue to offer models with a traditional SIM card tray. This distinction ensures that users can enjoy the optimal battery life enhancements tailored specifically for their region.

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Stay tuned for more details as Apple releases additional specifications ahead of their much-anticipated event on September 9. This year’s launch promises not just upgraded hardware, but also the unveiling of innovations crafted to enhance your everyday tech experience.

Source: macrumors.com

Frequently asked questions

How much larger is the iPhone 18 Pro Max’s battery?

The iPhone 18 Pro Max has an 11.7% larger battery, with a capacity of 5,391 mAh compared to its predecessor’s 4,823 mAh.

Which countries will have eSIM-only iPhone 18 models?

Countries with eSIM-only iPhone 18 models include Bahrain, Canada, Guam, Japan, Kuwait, Mexico, Oman, Qatar, Saudi Arabia, the United Arab Emirates, the U.S., and the U.S. Virgin Islands.

Why did Apple release battery capacity information for the iPhone 18?

Apple released battery capacity information due to the EU requirement to publish energy labels, enabling consumers to make informed decisions based on battery capacity.