iPhone 15 USB-C port can output significantly more power to accessories than Lightning

iPhone 15 and iPhone 15 Pro charge at 27 watts via the USB-C port. This means you can charge your phone from 0 to 100% in under two hours using a USB-C cable Apple’s standard 20W USB-C charging brick. However, this is unchanged from the iPhone 14 series, which could charge at the same speed via Lightning.

The difference with USB-C, however, is that the iPhone can now output significantly more power to accessories. About MacotakaraThe iPhone 15 can deliver up to 4.5 watts of accessories via USB-C.

In comparison, Lightning on earlier iPhones would emit significantly less, a maximum of around 0.3 watts.

This means that the world of iPhone accessories will potentially expand significantly as devices can now be adequately powered by the host iPhone itself.

For example, bus-powered USB-C portable hard drives can now be connected directly to the iPhone to serve as external storage. On the iPhone 15 Pro, the USB-C port is USB 3, which allows data transfer at up to 10 Gbit/s.

During the keynote, Apple suggested that customers could – in a pinch – even charge AirPods or their Apple Watch on the go by connecting them to the iPhone 15 with a USB-C charging cable.

It’s only a matter of time before someone tries to charge an iPhone 15 with an iPhone 15…

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