This iPhone 18 Pro Max leak might subtly address Apple’s greatest flaw

Last updated on July 9, 2026July 9, 2026 by Neil Hemmings on Categories Gadget

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The perennial issue of subpar battery longevity has been a significant grievance among iPhone users, particularly when juxtaposed against flagship Android devices equipped with more robust battery capacities.

Recent regulatory documents indicate that Apple may be poised to address this concern with the introduction of a larger battery and its most advanced chip to date in the iPhone 18 Pro Max.

Anticipated Increase in iPhone 18 Pro Max Battery Capacity

Regulatory filings imply that the iPhone 18 Pro Max may feature a battery capacity of 5,567mAh in the United States and 5,391mAh internationally, which represents a substantial leap from the previous 5,088mAh and 4,823mAh capacities found in the iPhone 17 Pro Max.

This nearly 500mAh enhancement could herald one of Apple’s most significant battery upgrades in recent memory.

Additionally, the standard iPhone 18 Pro is expected to experience a modest, yet meaningful, battery boost from 4,252mAh to 4,288mAh in the U.S. market.

Rationale Behind the Larger US iPhone 18 Pro Max Battery

This differential in battery size may stem from various hardware adjustments. Since the iPhone 14 series, U.S. models have eliminated the physical SIM tray, relying entirely on eSIM technology. This newfound internal space may facilitate the inclusion of a larger battery in the U.S. iteration.

Potential Enhancements with the A20 Pro Chip

The forthcoming A20 Pro chip, fabricated using 2nm technology, could further enhance battery performance. This upgrade could translate into significantly improved battery life, moving beyond mere mAh figures.

Consequently, the Pro Max version might bridge the real-world battery performance gap with Android peers, steering clear of the hefty 7,000mAh batteries found in certain Chinese smartphones.

Caution: Based on Regulatory Insights

Apple has yet to authenticate these revelations, and the filings do not explicitly reference the iPhone 18. However, the battery model numbers strongly hint at its future release.

The iPhone 18 Pro and Pro Max are anticipated to launch in September 2026, concurrently with the inaugural foldable iPhone.

Should this leak prove accurate, the iPhone 18 Pro Max could represent Apple’s most substantial battery enhancement in years, without resorting to the colossal battery sizes seen in its Android rivals.

Coupled with the speculative 2nm A20 Pro chip, improvements may arise from efficiency gains as much as from battery capacity.

Close-up of a red smartphone with dual rear cameras and a flash, placed on a wooden surface with blurred lights in the background.

As it stands, these insights are predicated on regulatory filings and rumors; thus, prospective buyers should await an official declaration from Apple before drawing conclusions.

Source link: Pcquest.com.

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Neil Hemmings

I'm Neil Hemmings from Anaheim, CA, with an Associate of Science in Computer Science from Diablo Valley College. As Senior Tech Associate and Content Manager at RS Web Solutions, I write about AI, gadgets, cybersecurity, and apps – sharing hands-on reviews, tutorials, and practical tech insights.