Foxconn Insider Claims iPhone 15 Series to Get Significantly Larger Batteries

Battery capacity of the iPhone 15 series is rumored to see a considerable increase compared to the previous generation, with improvements ranging from 350-600mAh.


The upcoming series is expected to feature substantially larger batteries across all models, according to an alleged Foxconn insider cited by Chinese tech news site IT Home.

iPhones 15 Battery Capacity Increase

An insider, who claims to be a Foxconn employee based in Shenzhen, revealed the battery capacities of the 15 series in a private message to IT Home. The source stated that the accuracy of the information was 80%. According to the insider, the battery capacity of the iPhone 15 series will see a considerable increase compared to the previous generation, with improvements ranging from 350-600mAh.

The expected iPhone 15 battery capacities per model:

  • iPhone 15: 3877mAh
  • iPhone 15 Plus: 4912mAh
  • iPhone 15 Pro: 3650mAh
  • iPhone 15 Pro Max: 4852mAh

For comparison, the battery capacities of the iPhone 14 and iPhone 13 series are:

  • iPhone 14: 3279mAh
  • iPhone 14 Plus: 4325mAh
  • iPhone 14 Pro: 3200mAh
  • iPhone 14 Pro Max: 4323mAh
  • iPhone 13 mini: 2406mAh
  • iPhone 13: 3227mAh
  • iPhone 13 Pro: 3095mAh
  • iPhone 13 Pro Max: 4352mAh

IT Home has pointed out that it is not yet possible to verify the accuracy of the above information, so it should be taken as a possibility only.

Rumors of a New Top-of-the-Line iPhone 15 Ultra

is reportedly considering the release of a new premium iPhone to join the Pro and Pro Max models. According to insiders, the company is discussing the possibility of introducing this top-of-the-line device in 2024 at the earliest, potentially as part of the iPhone 16 lineup or later.

iPhone 15 Pro models may be set to become even more expensive due to a drop in sales of iPhone 14 models, according to display analyst Ross Young. The iPhone 14 has fallen behind the iPhone 13 in sales, with supply chain constraints cited as the reason by Apple during its Q4 earnings call.

New A17 Bionic Chip and Increased Battery Life

The iPhone 15 Pro series is expected to use the new A17 Bionic chip, which uses TSMC's 3nm process technology. This is a significant upgrade from the 5nm process technology currently used by Apple. The new chip is expected to improve performance while reducing power consumption by 35%. Combined with the larger battery capacity, the new iPhone 15 series is expected to achieve a significant increase in battery life.

Last year, Apple used the latest A14 Bionic chip only on its high-end iPhone 14 Pro and iPhone 14 Pro Max phones, while the iPhone 14 and iPhone 14 Plus used the A15 Bionic chip from the previous generation. This differentiation is expected to continue in the iPhone 15 series, with only the high-end models equipped with the A17 Bionic chip, while the iPhone 15 and iPhone 15 Plus will be upgraded to the A16 Bionic chip.

As with all rumors, these details should be taken with a grain of caution until official information is released by Apple. The new iPhone 15 series is expected to be released this fall.