20 July, 2025
apple-iphone-17-pro-max-leak-hints-at-significant-battery-upgrade

A recent leak suggests that the upcoming Apple iPhone 17 Pro Max, expected to be unveiled this September, will feature a battery with a larger capacity than any previous iPhone model. This development has sparked considerable interest among tech enthusiasts and industry analysts alike.

The leak originated from a Weibo user known as Instant Digital, who, despite a mixed track record, has provided accurate information in the past. According to the leak, the iPhone 17 Pro Max could boast a battery capacity of around 5,000mAh. This marks a significant increase from the current largest iPhone battery, which is 4,676mAh in the iPhone 16 Pro Max.

Design Changes and Battery Implications

Rumors have long circulated that the iPhone 17 Pro Max will be slightly thicker than its predecessors, potentially to accommodate a larger battery. The iPhone 16 Pro Max measures 8.25mm in thickness, while its successor is expected to be 8.725mm thick. Although this increase is less than half a millimeter, it could have a noticeable impact on the device’s battery life.

Each new iPhone iteration typically introduces new features, which can affect battery performance. However, the anticipated new processor for the Pro Max, coupled with software efficiencies, could enhance battery life. Still, a larger battery remains the most straightforward method to extend a device’s operational duration.

Expert Opinions and Battery Life Projections

Despite the allure of new features, battery life remains a top priority for users. As noted by 9to5Mac, “Depending on how close to 5,000 the final number ends up being, we could be looking at almost a 10% increase in capacity. It’s important to note, however, that a battery’s capacity doesn’t have a 1:1 correlation with battery life improvements.”

The battery life of the iPhone 16 Pro Max is 33 hours, according to Apple. This is up from 29 hours on the iPhone 14 Pro Max, and 28 hours on the iPhone 13 Pro Max. The iPhone 12 Pro Max had a battery life of just 20 hours. With an extra 300mAh of battery capacity, the iPhone 17 Pro Max could be on course to offer around 35 hours of battery life, or perhaps even more.

William Gallagher from Apple Insider offers a different perspective, suggesting that the new battery will have about 324mAh more than the iPhone 16 Pro Max. He cautions that, “even if the new figure and the earlier physical size rumors are correct, it does not follow that the iPhone 17 Pro Max will have longer battery life.”

Technological Advancements and Market Expectations

Additional analysis by Joe Rossignol at MacRumors indicates that the iPhone 17 Pro Max could be approximately 5% thicker than the iPhone 16 Pro Max, likely to accommodate the larger battery. This adjustment could result in even longer battery life compared to the iPhone 17 Pro, which is not expected to see a change in thickness.

Furthermore, Apple sometimes introduces new features, such as camera improvements, to the Pro Max models before the Pro. Both the iPhone 17 Pro and iPhone 17 Pro Max are rumored to be equipped with a trio of 48-megapixel rear cameras, along with an upgraded 24-megapixel front camera. However, no camera differences have been rumored yet.

Both the iPhone 17 Pro and iPhone 17 Pro Max are rumored to be equipped with a trio of 48-megapixel rear cameras, along with an upgraded 24-megapixel front camera. No camera differences have been rumored yet.

While there had been reports of a differently sized Dynamic Island on the iPhone 17 Pro Max compared to the rest of the range, this is now in doubt. Historically, Apple has introduced camera improvements exclusively to larger models when space constraints necessitated such decisions.

Looking Ahead: The Impact of Battery Enhancements

As the iPhone 17 Pro Max prepares to make its debut, the potential for a larger battery represents a significant upgrade, particularly given the importance of battery life to consumers. This enhancement could set the model apart from its predecessors and competitors, reinforcing Apple’s commitment to innovation and user satisfaction.

The tech community eagerly anticipates further details as the official launch approaches, with many speculating on how these changes will influence the broader smartphone market. As always, Apple’s ability to balance new features with practical improvements remains a key factor in its continued success.