iPhone 15 Pro and Pro Max battery tests. In my experience, the 15 Pro averages a full day on a single charge, while the 15 Pro Max gets between a day and a half to two days. Battery life can 1 hour longer battery life on iPhone 14 Pro than iPhone 13 Pro for video playback; iPhone 12 Pro Max: iPhone 11 Pro Max: Battery for video playback: 29 hours: 28 hours: 20 hours: The battery life results for the iPhone 14, iPhone 14 Pro, and iPhone 14 Pro Max are in, and we're not impressed. runtime disparity between the iPhone 14 and its predecessor isn't as bad as iPhone 13 Pro Max Battery life is Ridiculous. The 13 Mini‘s showing was very impressive. I’d be very curious to see someone compare it to the 12 Mini. Most of the tests last year showed the Mini having 15-20% less battery life than the 12. That would put it at under 5hr in this test. Reasons to consider the Apple iPhone 15 Pro Max. Higher display refresh rate – 120 Hz. Comes with 1626 mAh larger battery capacity: 4441 vs 2815 mAh. Delivers 122% higher peak brightness (1798 against 809 nits) The rear camera has a 5x optical zoom. Shows 63% longer battery life (48:25 vs 29:47 hours) Has a 0.6 inch larger screen size. While the iPhone may hold the lead on overall battery life, one feature that Apple left untouched is charging. The iPhone 15 Pro Max maxes out at the same 27W that Apple claims should yield 50% in 30 minutes, but in Tom's Guide's tests only made it to 41%. That doesn't hold a candle to the best Android phones with the Samsung Galaxy S23 Ultra Battery life is weaker than previous models; iPhone 15 Pro Max. $22.49. at Target. $44.45. at AT&T Mobility. Check Amazon. iPhone 14 Pro Max vs iPhone 15 Pro Max: design and display. Image 1 of 4. Switching to the front, you get a 6.7-inch display on the iPhone 15 Pro Max versus the 6.8-inch screen on the Galaxy S23 Ultra. The iPhone 15 Pro Max has a brighter display that can go up to 2,000 Kayx.