According to actual measurements by digital blogger Marques Brownlee, iPhone 15 and iPhone 15 Pro models can charge another iPhone or other phones.
Charge an older iPhone
Brownlee used a USB-C to Lightning cable for testing, in which the USB-C port was connected to the iPhone 15, and the Lightning port was connected to the old iPhone. Even if the iPhone 15 has less power than the old iPhone, it will always be the old iPhone after connection. to charge.
Connect iPhone 15 models
Brownlee then ran tests using a USB-C to USB-C cable, both connected to iPhone 15 models. The two iPhone 15 models will then communicate with each other to determine which iPhone 15 has lower battery and then charge it.
So, if your iPhone 15 is low on battery and your friend also has an iPhone 15 and has more battery than you, you can let your friend’s iPhone 15 charge your phone by connecting via a dual-ended USB-C cable.
Connect Android phone
For Android phones, if the Android phone supports USB Power Delivery, then the Android phone can charge the iPhone 15 after being connected. For Android phones that don’t support PD, the test results are inconsistent.
It was previously reported that Apple said that all iPhone 15 series phones can charge Apple Watch, AirPods charging box or any accessories connected to the USB-C port with a power of 4.5W.
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