The battery of the iPhone 16 Plus is a lithium-ion (Li-ion) type with a nominal capacity of 4,674 mAh. Its operating voltage is approximately 3.83 V, while the total energy it can store is approximately 17.9 Wh. Apple states that the combined performance of the A18 processor and the power management of iOS ensures excellent battery life, with up to 27 hours of video playback and up to 100 hours of audio playback.
It supports fast wired charging via USB-C 20W and MagSafe wireless charging up to 25W.