Apple to equip iPhone Air 2 with 3,500mAh battery

Apple is planning a significant battery upgrade for the second-generation iPhone Air, expected to launch in the first half of 2027, according to supply chain information. The new model, often referred to as the iPhone Air 2, is rumored to feature a 3,500mAh battery, an approximately 11 percent increase over the 3,149mAh cell in the current model.

The upgrade aims to address one of the most common criticisms of the ultrathin original iPhone Air, which prioritized a slim profile over battery capacity. While raw capacity gains do not always translate directly to proportionally longer usage, the increase is expected to help extend battery life, especially when combined with other efficiency improvements.

Apple may achieve the larger battery without altering the device's signature thinness through several engineering approaches. These could include enhanced internal packaging, the use of higher energy density cells, or adopting a thinner display technology. A separate report suggests Apple is planning to use Samsung's CoE (Color Filter on Encapsulation) OLED technology, which could create a thinner display stack and free up internal space for a larger battery.