When Apple revealed the brand new iPhone 15 series earlier this week, there was a key difference to the iPhones that had come before: a USB-C port instead of Lightning. Now, we know a little bit more about the spec of this port.As per an Apple support document (via MacRumors), the USB-C port on all iPhone 15 models is going to output up to 4.5W of power – that means there’s enough juice to charge up an Apple Watch,
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