iPhone 17 Pro Max to Have Largest Battery Ever in an iPhone

According to a reliable source on Weibo, the upcoming iPhone 17 Pro Max will boast a massive battery capacity of around 5,000mAh. This increase in battery size hints at a potential battery life of up to 35 hours or more, thanks to efficiency improvements in the A19 Pro chip and Qualcomm's Snapdragon X80 modem.

Jul 3, 2025 - 21:42
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iPhone 17 Pro Max to Have Largest Battery Ever in an iPhone

The iPhone 17 Pro Max is expected to have the largest battery ever seen in an iPhone, as per the Weibo leaker 'Instant Digital.' The leaker revealed a list of battery capacities for previous models, with the iPhone 17 Pro Max rumored to feature a 5,000mAh battery:

  • iPhone 11 Pro Max: 3,969mAh
  • iPhone 12 Pro Max: 3,687mAh
  • iPhone 13 Pro Max: 4,352mAh
  • iPhone 14 Pro Max: 4,323mAh
  • iPhone 15 Pro Max: 4,422mAh
  • iPhone 16 Pro Max: 4,676mAh
  • iPhone 17 Pro Max: ~5,000mAh

The battery life of the iPhone 16 Pro Max is 33 hours, an improvement from previous models. With the additional 300mAh in the iPhone 17 Pro Max, users could expect around 35 hours of battery life or more. Enhanced battery life is also anticipated from efficiency improvements in the A19 Pro chip and Qualcomm's Snapdragon X80 modem.

Instant Digital has a mixed track record with Apple rumors but has accurately predicted several details in the past, making their reports credible. Some of their accurate predictions include the launch of the Yellow iPhone 14 in 2023, features of the iPhone 15 and iPhone 15 Plus, updates on the Apple Watch Series 9, spatial video capture on the iPhone 15 Pro, enhancements in the latest iPad models, battery capacities of the iPhone 16 Pro, and future Apple Watch band compatibility.

According to the source: MacRumors.

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