The second-gen AirPods Pro’s longer battery life is achieved in part by using physically larger batteries, regulatory documents show.


Compared to the first-gen AirPods Pro, Apple says the second-gen model offers an additional 1.5 hours of battery life, with active noise cancellation enabled for a total of six hours. Entries in the 3C database discovered by MySmartPrice show that the ‌AirPods Pro‌ 2 earphones have a battery capacity of 49.7 mAh. This is a 15 percent increase over the 43.24mAh capacity of the first-generation AirPods Pro.

The second-generation AirPods Pro MagSafe charging case packs a 523mAh battery capacity, up just 4mAh from the previous model. According to Apple, the second-gen AirPods Pro’s “MagSafe” charging case offers an additional six hours of battery life for a total of 30 hours of listening time with active noise cancellation enabled. Therefore, it’s highly likely that the charging case’s longer battery life is mainly due to improvements to the earbuds.

In addition to physically larger batteries, the second-gen AirPods Pro’s H2 chips and skin detection sensors also help extend battery life thanks to better efficiency.

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