• The starting point The iPhone 13 has a 3,227 mAh battery that is expected to last up to 2.5 hours longer than the iPhone 12. According to Apple's battery tests, it translates to up to 19 hours of video playing, 15 hours of online video streaming, and 75 hours of audio playback.
• Never leave a phone unattended for more than a few weeks or months without recharging it. Apple suggests leaving it at roughly 50% charge if it will be unused for an extended period of time (not full, and not empty). To charge your iOS device, exclusively use high-quality USB power supplies.
• You can charge at any time and for any length of time. Do not continually drain the battery to dangerously low levels. You may charge your iPhone whenever and for as long as you like. iPhone batteries, like other rechargeable batteries, are a consumable component that degrades over time.

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