iPhone 15 Battery
iPhone 15 Battery

The iPhone 15 series brings significant improvements in battery life across its models. Here’s a detailed breakdown of the battery specifications for each model:

iPhone 15 Battery Life Specifications

  1. iPhone 15: Offers up to 20 hours of video playback and up to 80 hours of audio playback. It is equipped with a battery capacity of 3,349 mAh and 12.98 Wh​​​​.
  2. iPhone 15 Plus: Features a battery life of up to 26 hours for video playback and up to 100 hours for audio playback. The battery capacity stands at 4,383 mAh and 16.95 Wh​​.
  3. iPhone 15 Pro: This model provides up to 23 hours of video playback and up to 75 hours of audio playback. It comes with a battery capacity of 3,274 mAh and 12.70 Wh​​.
  4. iPhone 15 Pro Max: Offers the highest battery capacity among the series with up to 29 hours of video playback and up to 95 hours of audio playback, powered by a 4,422 mAh battery, equivalent to 17.10 Wh​​.

Comparison with Previous Models

  • The base iPhone 15 has a 3,349mAh battery compared with the 3,227mAh power cell of the previous generation, indicating a slight increase in battery capacity​​.
  • In a battery life test, the 15 Pro Max stood out, lasting for 11 hours and 41 minutes, which is significantly higher than its counterparts, showcasing the efficiency of its larger battery capacity​​.


The iPhone 15 series demonstrates Apple’s continued focus on enhancing battery life, with each model tailored to different user needs. The Pro Max variant stands out for users who require extended battery life, especially for media consumption and heavy usage. The increase in battery capacities and the efficient management of power in these new models ensure that users can rely on their devices for longer periods without frequent recharging.

Eric Chan

Hi! I’m Eric and I work on the knowledge base at GadgetMates.com.  You can see some of my writings about technology, cellphone repair, and computer repair here.

When I’m not writing about tech I’m playing with my dog or hanging out with my girlfriend.

Shoot me a message at ericchan@gadgetmates.com if you want to see a topic discussed or have a correction on something I’ve written.

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