iPhone 17 Battery: While there is so much hype about Apple’s new iPhone 17 series, the recent leak about the iPhone 17 Air has left everyone disappointed. Though thin and thin phones are always a welcome relief, the compromise on battery size may be a hard sell for most users.

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Thinner Design Comes at a Major Cost

According to a Naver report, the iPhone 17 Air might be merely 5.5mm thick, a record for any smartphone of 2025. However, this razor-thin design might compel Apple to restrict the battery capacity to merely 2,800mAh. That is a significantly smaller figure in an era when even ultra-thin and foldable phones have started with bigger batteries.

Comparison With Thin Rivals Isn’t Favorable

Take Samsung’s Galaxy S25 Edge, for instance. It’s the brand’s slimmest device in recent years, yet it still packs in a 3,900mAh battery. By contrast, Apple’s rumored 2,800mAh cell feels like a serious downgrade, especially for users who rely heavily on their phone’s battery throughout the day. Even the Galaxy Z Flip from five years ago included a 3,300mAh cell, which makes the iPhone 17 Air’s potential battery look even more underwhelming.

High-Density Battery Could Mitigate the Pain

There is some good news, though. Sources say Apple may use a high-density battery tech that can increase capacity by as much as 20 percent. If so, it could make the 2,800mAh cell play more like a 3,300–3,400mAh battery. Of course, how that fares in actual use will depend on many factors, particularly under intense apps or 5G connectivity.

Weight and Form Factor Remain a Top Asset

On the other hand, the iPhone 17 Air should weigh just 145 grams, which makes it among the lightest smartphones in its category. Apple’s minimalist touch comes through here, with the firm aspiring to an ultra-portable and stylish phone that becomes lighter than air. 

Other Features May Still Be Alluring to Users

Outside of the battery, the iPhone 17 Air also appears to be loaded with good features: a 6.6-inch Dynamic Island screen, a new Camera Control button, and a 120Hz refresh rate on all models. With rumored support for WiFi 7, a new A19 processor, and a tougher display build, Apple still has plenty going for it with the Air.

Verdict: A Stylish Choice With a Question Mark

Though the iPhone 17 Air is said to be one of the thinnest and lightest iPhones yet, its supposedly limited battery capacity is a cause for concern. Style-hunters and those who want portability will likely still be tempted, but anyone requiring day-long battery life might have to wait for Apple’s optimization wizardry or explore other members of the iPhone 17 family.