- Very tight battery capacity (2.800-2.900 mAh) for the iPhone 17 Air
- Battery encapsulated in stainless steel, thinner and optimized
- Battery differences between models depending on the region and the SIM slot
- Apple could release a battery case to compensate for limited battery life.
The leaks about the future iPhone 17 Air are setting the technological agenda of recent weeks, focusing attention on one of the most critical sections: the batteryReliable sources have shared images and technical data that point to a tighter-than-usual range, but accompanied by new developments in materials technology and energy efficiency.The iPhone 17 Air, which is expected to replace the Plus model, puts on the table a radical commitment to ultra-thin design, at the cost of certain concessions in battery capacity.
According to various recent leaks, the battery capacity of the iPhone 17 Air will range between 2.800 and 2.900 mAhThis figure represents a significant reduction compared to the latest base and Pro models, but would be partially offset by a most advanced technology which will allow more energy to be stored while taking up less space. The device It will thus seek to become the thinnest phone in Apple's history., even surpassing past benchmarks in the range.
Thinner battery, premium materials, and regional differences
The leaked images show the iPhone 17 Air battery is only 2,49 mm thick, making it the thinnest in the range. The use of a casing stainless steel, already seen in the iPhone 16 Pro, reinforces its resistance and improves the heat dissipation, something crucial in such compact designs. This change could also bring the brand closer to implementing faster loads, until now one of Apple's least competitive points compared to its Asian rivals.
On the other hand, the presence or absence of the physical SIM tray will make another important difference. In the models for the United States, where eSIM is already the norm and there is no physical SIM slot, the battery will take up a few extra millimeters. In the rest of the markets (including Europe), part of the internal space will remain reserved for the SIM tray, limiting battery capacity against the American variant.
As for other leaked features, the bet is on a body made of a mixture of titanium and aluminum, a thickness of 5,5 mm, and a very low weight of around 145 grams. These are record figures within the Apple ecosystem and the general smartphone market.
Hardware and software optimization to compensate for autonomy
Given that autonomy will be a challenge With such tight figures, Apple has prepared a high-density battery and a complete optimization system. It is expected that the standard A19 processor, Apple's own new C5 1G modem, and iOS 26 with Smart Power Saving Mode contribute to extending the hours of actual use. In addition, some rumors indicate that Apple will release a case with a built-in battery exclusively for this model., in the line of accessories that it already presented in previous generations, For those who need more durability without sacrificing minimalist design.
Internal testing indicates that Between 60% and 70% of users could last the entire day on a single charge., although other analysts such as Mark Gurman point out that the combination of hardware and software could make the experience comparable to that of previous models, especially for those who prioritize lightness and portability over maximum autonomy.
In terms of design, the iPhone 17 Air will also debut a single 48-megapixel rear camera. and a 6,6-inch screen, dispensing with the ultra-wide-angle camera to improve internal space management. Finally, as I mentioned above, there are also rumors of the Possible disappearance of the physical SIM card slot in some markets, which would further increase the overall thinness of the device.
Moreover, the charging system will be exclusively wireless in this model, removing the USB-C port in favor of an even cleaner experience.
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