The anticipated iPhone 17 Air from Apple is expected to have a battery capacity under 3,000 mAh, according to a recent post from Instant Digital, a popular account on Weibo with over 1.4 million followers. This aligns with prior reports suggesting the device’s battery capacity could be around 2,800 mAh, indicative of a trend set by earlier models like the iPhone 12 and iPhone 13, which also had similar battery capacities. Despite the lower mAh rating, the iPhone 17 Air is expected to deliver full-day battery life thanks to the new Adaptive Power Mode introduced in iOS 26. This feature will allow the device to optimize power consumption effectively, which could benefit user experience significantly.
While direct mAh comparisons are generally useful when the batteries operate at the same voltage, iPhone batteries typically have consistent voltage, allowing users to gauge performance by mAh. Instant Digital has a mixed history of leaks; the account has made accurate predictions in the past, such as the yellow finish for the iPhone 14 and details about the Apple Watch Ultra 2’s Titanium Milanese Loop. However, it has not been infallible. Earlier reports suggested that the iPhone 17 Air may feature “worse” battery life than its predecessors due to its ultra-thin design limiting internal battery space.
Internal testing showed that only 60% to 70% of users might be able to utilize the iPhone 17 Air for a full day without recharging, compared to 80% to 90% for other models. To counter the potential short battery life, Apple is reportedly planning to offer a battery case as an optional accessory. This would provide additional battery life while also serving as a protective cover, reminiscent of the battery cases released for the iPhone 11 series.
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