iPhone 18 Pro and 18 Pro Max Battery Specs
Apple’s next flagship models are set to surprise users with their battery sizes. According to insider information shared by the leaker Digital Chat Station, detailed battery capacities for the global and U.S. versions of the upcoming iPhone 18 Pro and iPhone 18 Pro Max have emerged. The data was spotted in Chinese regulatory filings, as noted by MacRumors.
Based on the available information, the global version of the iPhone 18 Pro will pack a 4056 mAh battery, while the U.S. variant will feature a 4288 mAh cell. This difference stems from design factors, particularly the presence of a physical SIM card tray. For reference, the iPhone 17 Pro offers a 3988 mAh battery globally and a 4252 mAh unit in its eSIM-only model.
Upgrades in the iPhone 18 Pro Max
As for the iPhone 18 Pro Max, it will come with a 5391 mAh battery for international markets and a 5567 mAh unit for the U.S. Compared to its predecessor—the iPhone 17 Pro Max, which has a 4823 mAh battery (global) and a 5088 mAh battery (U.S.)—the new iPhone 18 Pro Max sees an approximately 10% increase in capacity. It’s worth noting that the iPhone 18 Pro Max battery figures still require further verification.
The iPhone 18 Pro and 18 Pro Max are expected to debut in early September, alongside Apple’s first foldable smartphone. This news has generated significant buzz among brand enthusiasts and tech experts, as the new models promise substantial improvements in performance and battery life.
These battery details may signal Apple’s push to stay competitive in the market, given users’ ever-growing demands for longer battery life.
MacRumors
Specifically, the larger battery capacities could allow the new models to deliver extended runtime between charges—a key factor for many consumers. As a result, the iPhone 18 Pro and 18 Pro Max could become compelling choices for those seeking powerful and reliable smartphones.
As Apple continues to innovate with its upcoming models, the anticipation around new features is not limited to battery capacities. The tech giant is also set to unveil the next generation of iPhone Air, which is rumored to debut in Spring 2027. This model is expected to introduce a dual-camera system, further enhancing the user experience and expanding Apple's smartphone lineup.