The iPhone 14 Pro and ‌iPhone 14‌ Pro Max currently have a battery life of around 23- and 29-hours, the first iteration of the component since the U1 chip's introduction in the ‌iPhone Battery Life Rankings. Out of the new iPhones, the iPhone 15 Pro was the first to run out of juice, lasting for 9 hours and 20 minutes. The regular iPhone 15 did a bit better, managing just under 10 hours of battery life. But the real star was the 15 Pro Max, which lasted an impressive 11 hours and 41 minutes. The 11 is a great phone! 3. [deleted] • 10 mo. ago. Yep exactly, around the same year I bought mine too. i stagnated on iOS 15.6 maybe the best version of iPhone 11. my battery life is 87% while on iOS 16 it decreased to 82% (weird) so i just downgraded and it’ll stay like this forest. 1. raymondmarble2. The iPhone 11 Pro Max is going to give you the best battery life of any iPhone—up to five hours more than the battery life of last year’s iPhone XS Max. The extended battery life on the The iPhone XR lasted an excellent 11 hours and 26 minutes. That time is comparable to the Galaxy Note 9 and its 4,000 mAh battery (11:26) and ahead of many flagships we've tested this year. By When the iPhone 12 Pro ran out of battery, the iPhone 11 Pro still had 18% battery life remaining, and when the iPhone 12 powered off, the iPhone 11 Pro still had 14% battery life remaining That battery life sound actually normal to me. iPhone 12 usually gets around 5-7 hours of screen on time (depending on usage). I subtracted the usage from before you charged it, which adds up to around an hour. You’ve totaled about 4 1/2 hours of screen on time, and have around 1/3 of your battery life. Uhh4RYb.