For the test, the same configuration of all devices was used, the main working scenario was the constant broadcast of the online video. The foundation of the iPhone 16 Pro Max model last year showed 7 hours 29 minutes of autonomous work. The iPhone 17 Pro Max developed this result up to 7 hours and 58 minutes. At the same time, the iPhone 17 Pro has passed the iPhone 16 Pro Max for 5 minutes and worked for 7 hours 34 minutes without charging.
Even the iPhone Air, which has the smallest battery capacity to provide “sophisticated”, showed “impressive results ılan which has worked with only 6 hours and 43 minutes, only 12% less than the standard iPhone 17 model, which lasted for 6 hours and 55 minutes. The difference between iPhone Air and Pro was about 1 hour 30 minutes.
Source: Ferra

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