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iPhone 18 Pro Max: 40-Hour Battery & Under-Display Face ID!
26 Mar
Summary
- iPhone 18 Pro Max may boast a 5,100-5,200 mAh battery, offering up to 40 hours of use.
- New 2nm A20 Pro chip promises 15% more performance and 30% better efficiency.
- Dynamic Island to shrink by 35% with some Face ID components moving under display.

Apple is preparing a significant upgrade for the iPhone 18 Pro Max, slated for a September 2026 unveiling. Rumors suggest a substantial 5,100-5,200 mAh battery, aiming for an unprecedented 40 hours of mixed usage. This leap in endurance is complemented by the new 2nm A20 Pro chip, expected to deliver 15% higher performance and 30% better power efficiency.
The Dynamic Island is anticipated to shrink by approximately 35%, with some Face ID sensors potentially moving beneath the display. Photography enthusiasts may welcome a variable aperture main camera sensor. Alongside these advancements, Apple is also rumored to launch its first foldable smartphone in September 2026.
The iPhone 18 Pro and Pro Max are projected for a September 2026 release, though standard iPhone 18 models might see a delayed launch in spring 2027. This revised rollout strategy indicates a focus on premium devices and innovative form factors for the upcoming year.




