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1603501600 The battery of the iPhone 12 Pro Max is 7

The battery of the iPhone 12 Pro Max is 7% smaller while maintaining the official range

The Chinese communications agency, TENAA by its acronym, has revealed a fact that many users have been waiting for: the battery capacity of the iPhone 12 Pro Max. This is something Apple never mentions in its keynote, just like RAM. That’s why we have to wait for the first breakdowns or publication of regulatory documents, as is the case here.

At last we can do battery calculations and comparisons between the iPhone 12 Pro Max and the iPhone 11 Pro Max.

iPhone 12 Pro Max battery unveiled: 3,687mAh

iPhone 12 blue

According to MacRumors, China’s telecommunications regulatory agency indicates the battery capacity of the iPhone 12 Pro Max (this is the same agency that confirmed the batteries of the iPhone 11 last year). The iPhone 12 Pro Max has 3,687mAhThis is a 7.1% decrease in capacity over the iPhone 11 Pro Max.

With this information revealed, we can now compare all the batteries of this generation. The iPhone 12 mini and iPhone 12 were released a few days ago, so we have the full picture:

Battery 2019

Battery 2020


iPhone 12 mini


Not applicable

iPhone 11/iPhone 12




iPhone 11 Pro/iPhone 12 Pro




iPhone 11 Pro Max/iPhone 12 Pro Max




As we can see, the three largest models suffer from a drop in battery capacity. The iPhone 11 was the model with the most autonomy of the previous generation and reduces its capacity this time. Even more striking is the change in the iPhone 12 Pro, which grows in size from 5.8 inches to 6.1 inches. Despite the increase in size, the battery is shrinking (although the data may not be final).

The battery capacity of the iPhone 12 has been reduced, but the battery life has remained constant

That said, as we know, numbers don’t tell the whole story in Apple products. Maybe that’s why, the company often runs away from those who don’t say everything. That’s why we have to ask ourselves what the impact is on the autonomy of the different Apple smartphones.

Battery life on iPhone 12

iPhone 12 and iPhone 12 pro

Just after finishing last week’s keynote, our colleague Antonio Sabán published a comparison of autonomy of the new iPhone 12. We saw how all the models looked in three types of tests: streaming video, video playback, and audio playback:

battery comparison

As you can see, the current versions of iPhone 12 remain more or less in the line of previous generations. The iPhone 12 mini, obviously, has no comparable model because it’s new. According to the data given by Apple and reflected in this graph, there is one made of lime and another made of sand.

First of all, the iPhone 12 Pro loses an hour of videowhile maintaining the other two variables. On the other hand, the iPhone 12 wins an hour of video at streaming on the iPhone 11. In all cases, the metric is used to measure the autonomy given by Apple, as it is a constant variable over the years.

iPhone 12 and iPhone 12 Pro, first impressions: more technology than ever

Having said all this and looking at the whole, it is most striking that the autonomy of the iPhone 12 remains more or less constant when the battery capacity has been reduced slightly. Apple had to work on the efficiency of the A14 chip and other components, such as the Super Retina XDR display, to compensate for the reduction.

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