Battery capacities for Apple’s upcoming iPhone 18 Pro have allegedly surfaced, and the numbers suggest only a modest increase over the iPhone 17 Pro. According to prolific Weibo-based leaker Digital Chat Station, Apple is testing the iPhone 18 Pro with different battery capacities for the China and U.S. versions of the device, similar to last year’s iPhone 17 Pro models. The Chinese model is said to have a roughly 4,056 mAh battery, while the U.S. model is said to have a roughly 4,288 mAh battery. Apple removed the tray from U.S. iPhones starting with the iPhone 14 lineup, whereas iPhones sold in China have continued to include one (the iPhone Air is an exception – it is eSIM-only worldwide, including in China). Without the tray, Apple can pack a slightly larger battery into the available internal space, hence the difference in capacity. Model iPhone 17 Pro iPhone 18 Pro Leak Difference China / Physical SIM 3,988 mAh 4,056 mAh +68 mAh, +1.7% US / eSIM-only 4,252 mAh 4,288 mAh +36 mAh, +0.8% If the figures …