Brazilian Certifications Suggest iPhone 12 Mini Features 2,227mAh Battery and iPhone 12 Has 2,815mAh Battery

Apple's iPhone mini has the shortest battery life out of all the iPhones in the iPhone 12 lineup due to its small size, but Apple has not provided public information about the battery's capacity. A regulatory filing from Brazil, however, suggests the ‌iPhone 12‌ mini has a battery capacity of 2,227mAh.
The same regulatory information says the ‌iPhone 12‌ features a 2,815mAh battery, which is smaller than the 3,110mAh battery in the iPhone 11.The regulatory info comes from ANA