Apple Rumored to Slim Down iPhone Air 2 to 5.2mm While Expanding Battery

Editorial illustration of an ultra-thin metallic titanium phone chassis standing vertically with an illuminated inner battery core on a slate surface.

A new hardware leak indicates that Apple is attempting to reduce the profile of its second-generation iPhone Air while expanding its battery capacity. According to claims from Korean blogger yeux1122, the upcoming handset could trim roughly 0.4 millimeters from the original design. If accurate, the change would reduce the phone's overall thickness to approximately 5.2 millimeters, creating a thinner profile without sacrificing internal power.

Aligning Profile with Foldable Hardware

The original iPhone Air built its identity around a lightweight design, pairing a 5.6-millimeter chassis with a 165-gram weight to distinguish itself from Apple's heavier flagship models. Slashing another 0.4mm represents roughly a 7% reduction in overall thickness. At 5.2mm, the revised device would match the unfolded thickness of the iPhone Duo, which currently stands as Apple's thinnest smartphone structure.

High-Density Battery Cell Integration

Reducing handset thickness usually forces hardware designers to shrink internal power cells. However, the leak suggests Apple plans to buck this trend by adopting the high-density battery technology used in its Pro lineup. Complementing this, a prior report from leaker Digital Chat Station indicated the iPhone Air 2 might feature a 3,500mAh battery. Compared to the 3,149mAh battery in the initial model, this change would deliver an 11% boost in energy capacity within a tighter space.

Materials and Anticipated Launch Schedule

Fitting an expanded battery unit inside a slimmer frame creates notable mechanical challenges. The report notes that Apple plans to address structural durability by retaining the titanium chassis construction seen on the existing model. Industry expectations point toward an early 2027 announcement for the iPhone Air 2, launching alongside the primary iPhone 18 and iPhone 18e families. Because these claims currently rely on an unconfirmed blog post, the target specifications remain subject to change.

AI-generated editorial illustration; not a documentary photograph.

Source: iPhone Air 2 rumored to be as thin as an unfolded iPhone Duo

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