Apple iPhone 12 Battery Review: Li-Ion 2815 mAh, non-removable (10.78 Wh) The iPhone 12 battery capacity is smaller than its predecessor, the iPhone 11, which had a 3110 mAh battery. However, Apple claims that the iPhone 12 has better battery life due to the more power-efficient A14 Bionic chip and OLED display. Apple iPhone 12 […]