iPhone 12/Pro vs iPhone 11 battery life and battery capacity
- 2815mAh vs 3110mAh
- 10.78 Wh vs 11.91 Wh (about 10% decrease in battery capacity)
- 17 hours of video, 65 hours of audio playback
As you can see, the iPhone 12 battery has about 10% smaller capacity than what’s in the iPhone 11, and yet that hasn’t affected Apple’s battery life ratings between the 11 and its heir, indicating a commensurate drop in the overall iPhone 12 power consumption as well.
Apple-listed iPhone 12, 12 Pro, 12 Max, and iPhone 12 mini battery capacity
If we convert from the Wh metric for the 3.83V voltage that Apple lists on the iPhone 11, then the iPhone 12 battery would be 2815mAh, or exactly as rumored not long ago. Again, a roughly 10% drop from the 3110mAh unit in the iPhone 11.
Apple-listed iPhone 11, Pro, and iPhone 11 Max battery capacity
- 10.78Wh vs 11.67Wh
- 2815mAh vs 3046mAh (about 7.5% decrease in battery capacity)
- 17 vs 18 hours of video playback, 65 hours of audio playback
iPhone 12 Pro Max vs iPhone 11 Pro Max battery life and battery capacity
- 14.13Wh vs 15.04Wh (about a 6% decrease in battery capacity)
- 20 hours of video, 80 hours of audio playback
Here the calculations get a bit trickier. While Apple lists 14.13Wh for the iPhone 12 Pro Max, a 6.45% drop from the 15.04Wh it cites for the battery in the iPhone 11 Pro Max, we won’t know the voltage it uses before the first 12 Pro Max teardown.
Going with last year’s 3.79V on the 11 Pro Max would return a 3727mAh capacity, and going with the 3.83V used in the iPhone 11 would net us 3687mAh, or exactly the number that has been rumored about the 12 Pro Max for a good while now.
Regardless of whether Apple chooses to list the typical or rated capacity on its iPhone batteries, it’s evident that the iPhone 12 Pro Max has a smaller pack than what’s in the iPhone 11 Pro Max, and yet Apple again lists the same battery life on a charge.
iPhone 12 mini vs iPhone SE vs iPhone 12 battery life and battery capacity
- 8.57 Wh vs 6.21 Wh vs 11.67 Wh
- 2227 mAh vs 1821 mAh vs 2815 mAh
- 15 vs 17 vs 13 hours of video playback
- 65 vs 40 vs 65 hours of audio playback
Moreover, due to the much smaller display size – 5.4″ vs 6.1″ – the iPhone 12 mini doesn’t suffer nearly the drop in battery endurance one would expect looking at the battery size difference alone, as Apple lists just 15 hours vs 17 hours video playback session on a charge, and the same audio playback duration. Long story short, the smaller iPhone 12 vs iPhone 11 series batteries shouldn’t necessarily translate to worse battery life outcomes.
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