The iPhone 13 Pro lasted for 14 hours flat, which is longer than the 12 Pro’s 12 hours and 10 minutes of battery life. However, if you have an iPhone 11 Pro or 11 Pro Max (or older), now is Another problem I had with the iPhone 14 Pro was the battery life. It paled into comparison to the iPhone 13 Pro (by more than 2 hours in our battery life test) (The iPhone 14 Pro Max, iPhone 13 Pro: 3,095 mAh: 11:42 +2:36: iPhone 13 Pro Max: than 10 hours on our test. iPhone 14 battery rumors aren't in abundance, but the most reliable one we've heard predicts more of the We could very well see see a 35% boost in power efficiency in the iPhone 15 Pro and 15 Pro Max’s battery life as a result of this. 10 hours and 38 minutes with the iPhone 7 Plus — all the Compare features and technical specifications for iPhone 15 Pro, iPhone 15 Pro Max, iPhone 15, iPhone 15 Plus, iPhone SE, and many more. Battery. Up to 23 hours The iPhone 15 Pro’s battery life estimates are at 23, 20, and 75 hours for the same categories. And they match the iPhone 14 Pro. iPhone 15 Pro battery life estimate vs. iPhone 14 Pro. Image pjOpa.