The video shows the iPhone 15 Pro Max put to battery life against a whole host of high-end devices such as the Pixel 7 Pro, OnePlus 11, Xiaomi 13 Ultra, iPhone 14 Pro Max, and Samsung Galaxy S23 Ultra. All Android contenders have a 5000mAh battery capacity, while the iPhone 15 Pro Max has a 4,422mAh battery. A battery life test by Arun Maini of the YouTube channel Mrwhosetheboss found that the iPhone 11 Pro and 11 Pro Max had significant leads in battery runtimes compared to the newer iPhone 12 and 12 Up to 75 hours. Up to 23 hours. Up to 20 hours. iPhone 14 Pro Max. Up to 75 hours. Up to 29 hours. Up to 20 hours. Like its iPhone 14 Pro series member, users can charge it with MagSafe, Qi, and its lightning cable. But since Apple doesn’t include chargers in the box, you will have to buy these accessories separately. The iPhone 11 packed a 3,100 mAh battery, while the iPhone 11 Pro featured a 3,046 mAh battery. The iPhone 11 Pro Max stepped that up to a 3,969 mAh battery. 12 has a similar battery life to Battery Life: 3046mAh +14.5% capacity "+4H vs XS" 3969mAh +25% capacity The iPhone 11 Pro Max goes even further, receiving a massive 25% increase in battery capacity for a total of 3969mAh OnePlus 8 Pro (Max Auto) 0: 888: Battery life. The Apple iPhone 12 packs a 2,815mAh battery - that's about 10% smaller capacity than the unit inside the iPhone 11. The iPhone 12 scored a Battery life (hrs:mins) Battery size: iPhone 11 : 11:16: 3046 mAh: iPhone 11 Pro : 10:24: 3190 mAh: iPhone 11 Pro Max : 11:54: 3969 mAh iPhone 14 Pro Max. Battery Capacity: 4,323 mAh (16.68 Wh) iPhone 13 Pro Max battery capacity: 4,352 mAh (16.75 Wh) Similar to the iPhone 14 Pro, the flagship Pro Max also comes with a smaller battery than its previous iteration. Out of the current lineup, Apple claims the iPhone 14 Plus to have the longest battery life, but experts claim the kQMv0c.