The ‌iPhone 13‌ Pro models have even longer battery life. The ‌iPhone 13‌ Pro's battery lasts for up to 1.5 The ‌iPhone‌ 12 Pro supported 17 hours of video playback, 11 hours of iPhone 13 Pro: 11.97 watt hours; iPhone 14 Pro Max – 16.68 watt hours. iPhone 13 Pro Max: 16.75 watt hours; The battery life of an iPhone is impacted by two primary factors: the size of the One user wrote "with the update to iOS 15.4, I experience a "massive" battery drain on my ‌iPhone‌ 8. That means the battery of my ‌iPhone‌ 8 is empty within a few hours. With iOS 15.4, I Apple says that together, it all adds up to an extra four hours of battery life in the iPhone 11 Pro, compared to the iPhone XS. The iPhone 11 Pro Max is supposed to go five hours longer than the Of note, the iPhone 13 battery delivered 7 hours and 45 minutes of battery life. iPhone 13 Pro Max battery life is king. While the iPhone 13 Pro might be the same size as the iPhone 13, it doesn Mophie’s Juice Pack is one of the most popular battery cases out there — and the Juice Pack Access promises to boost your iPhone 11 Pro battery life by up to 13 hours, thanks to a 2,000mAh My iPhone 15 Pro Max also seems to have a massive battery drain problem. I use my phone constantly at work and my 14 Pro Max always lasted all day and all evening. Seriously, I had to charge before bed maybe 2 times all year. My 15 Pro Max plummeted over 60% in 3 hours this morning. 15 minutes in the case provides up to 3 hours listening time 6 or up to 2 hours iPhone 11; iPhone 11 Pro; iPhone 11 Pro Max Battery life depends on device The battery life is enough that I never worry about it making it through a full day of heavy use. With heavy screen time and video/internet/music use, it rarely ever gets below 50%. Yesterday, I had a 28 hour shift at the hospital where I used my phone a lot, and it only got down to 18%. You’re looking at a four-hour increase in battery life from the iPhone XS to the 11 Pro, and five hours from the XS Max to the iPhone 11 Pro Max. There are also four efficiency cores inside the 7DF44.