With the launch of the iPhone 18 series anticipated for September, leaks have been providing us with a glimpse of what to expect. The lineup, which is primarily expected to comprise the iPhone 18 Pro and iPhone 18 Pro Max, has now surfaced in a regulatory filing in China. The listing, shared by a tipster, appears to reveal the battery capacities of the purported iPhone models. The certification also indicates regional battery differences between the US and international models of the iPhone 18 lineup.