The battery iPhone 16 Plus has improved over that of its predecessors. For instance, the iPhone 16 Plus was tested such that it had been in use from 7:00 AM onwards, and by 10:15 AM the battery was down to only 94% when it was 10:06 AM. After around 7 hours of how usage which comprised increasing the screen brightness, as well as, taking several pictures, the battery was approximately around 3:11 pm at 55%.