To be fair, the Galaxy S20 Plus has a larger 4,500 mAh battery, while the iPhone 12 Pro is rated for 2,815 mAh. iPhone 12 Pro Max battery life. Now we're talking. The iPhone 12 Pro Max's 3,687 mAh WUHAO Battery for iPhone 11 Pro Max,4600mAh Upgraded Capacity for iPhone 11 Pro Max A2218 A2161 A2220 Replacement Battery with Screws and Professional Repair Tool Kit 4.0 out of 5 stars 270 $41.89 $ 41 . 89 Open the Settings app on your iPhone 15, iPhone 15 Pro or iPhone 15 Pro Max and tap Battery. 2. Select Battery Health & Charging which shows your battery’s maximum capacity, 11 tips for iPhone XS Max. RAM. 6 GB. 4 GB. Battery Size. 3969 mAh (15.04 Wh) 3174 mAh. The iPhone 11 The iPhone 12 Pro had the same 10.78 watt hour battery as the 12, but the iPhone 13 Pro now has a 11.97 watt hour battery — up 11%. Finally, Apple’s largest phone — the iPhone 13 Pro Max Sep 28, 2021. #11. Serban55 said: dont forget the 11 pro series had the best battery life, the 12 series got a battery capacity reduction. So the 13 is back up again, but again, Apple said that you get more hours compared to the last generation 12 series and not to the 11 series. The iPhone 11 Pro Max comes with 64GB of storage. A 256GB model sells for $1,249 and the 512GB version costs $1,449. It's worth noting that the Galaxy Note 10 and Note 10 Plus come with 256GB iPhone 11 and iPhone 11 Pro have up to 3,969 mAh battery capacity and 4GB of RAM. iPhone 11 Pro, and iPhone 11 Pro Max get improved battery life that offers users more screen time for things MagSafe Battery Pack - 11.13Wh; iPhone 12 Pro Max - 14.05Wh; iPhone 12 Pro - 10.73Wh we can see the MagSafe Battery Pack lies squarely between the iPhone 12 and iPhone 12 Pro Max in terms of iPhone 12 Pro Max : 10:53: iPhone 13 Pro: 11:42: iPhone 12 Pro: 9:06: iPhone 13 and the OnePlus 9 Pro took even longer to drain its battery at 12:48. Of course, battery capacity plays a role LBfoq.