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Developing· Apple· Published Jul 9, 2026

9to5Mac: Regulatory filings point to heavier iPhone 18 Pro Max with 5,500mAh battery

9to5Mac reported that regulatory filings indicate a heavier chassis for the iPhone 18 Pro Max, potentially reaching 240g due to a significant jump in battery capacity.

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AI summary

The outlet notes that FCC paperwork lists battery capacities exceeding 5,500 mAh for upcoming flagship models, which could restore device weight to levels not seen since the iPhone 14 Pro Max era.

Why this matters

FCC filings can indicate regulatory preparation but do not confirm launch timing or final product positioning; however, they suggest a shift toward prioritizing battery life over light-weight design.

Confidence reason

The report cites specific regulatory data alongside reputable leakers, though it remains a look into future hardware iterations.

Evidence
  • 9to5MacPrimary
    Rumored iPhone 18 Pro Max specs point to Apple’s heaviest iPhone in years - 9to5Mac
    Marcus Mendes
    "iPhone iPhone 18 Pro Max Rumored iPhone 18 Pro Max specs point to Apple’s heaviest iPhone in years Marcus Mendes | Jul 9 2026 - 7:18 am PT 9 Comments A few days after rumors about "
    Open original source

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