iPhone 18 Pro will have only a fractionally higher capacity battery

A new leak claims to have details of the battery capacity for the forthcoming iPhone 18 Pro, and while it continues the pattern of improving every year, this time Apple has managed only a minor increase.
Mockup of a Dark Cherry iPhone 18 Pro - original image credit: Wesley Hilliard, recoloring by William Gallagher
Back in February 2026, a leak claimed to show that the iPhone 18 Pro Max would have longer battery life than its predecessor, but only by a small amount. Now according to a leaker with