iPhone XS Max. RAM. 6 GB. 4 GB. Battery Size. 3969 mAh (15.04 Wh) 3174 mAh. The iPhone Find out about the built-in software and hardware system that iPhone 11 models and later use to reduce performance impacts as your battery chemically ages. The built-in software and hardware system is automatic, always on and works to provide the best possible performance as battery ageing occurs over time. The power needs of iPhone 11 models Capacity. Tool Category Replace a 15.04 Wh battery compatible with iPhone 11 Pro Max. 3.79 Volts (V). View. iPhone XS Max Battery. Replace a 3174 mAh battery Here are key findings from the study: The iPhone 15 Pro Max (4422 mAh) has the best battery life of any iPhone released since 2018, while the iPhone SE2 has the worst battery life (1821 mAh) With a mAh rating of 2600, the Galaxy A2 Core (released in 2019) has the worst battery life of any recent Samsung release, while the Galaxy F62 (2021) has Battery Capacity (mAh) 3500 mAh: Battery Features: Wireless Charging Integrated; Fast Charge; Non-Removable; Qi; iPhone 12: iPhone 11 Pro Max: Processor Name Apple MagSafe battery pack specs: Capacity: 1,460mAh/ 11 than a day with 5,000 mAh. Therefore, we looked at battery packs within the 5,000-2,000 mAh range. 12 Pro Max or iPhone 13 Pro Max Announced Sep 2021. Features 6.1″ display, Apple A15 Bionic chipset, 3240 mAh battery, 512 GB storage, 4 GB RAM, Ceramic Shield glass. Realme 11 Pro $ 379 Apple iPhone 15 Pro Max; Apple iPhone capacity 15 mAh? Rumored: 3877 mAh (18% increase) Capacity iPhone 14 Pro Max, mAh? 4323 mAh – 16.68 Wh. iPhone 14 Pro battery capacity, mAh? 3200 mAh – 12.38 Wh. Slightly Smaller Battery Capacity. The iPhone 14 Pro Max sports a 4,323 mAh battery, while the iPhone 13 Pro Max had a larger 4,352 mAh battery thats 29mAh smaller than the predecessor, and while its not much to speak of, a smaller battery means youll run out of juice more quickly. 3E4N.