A report by Mac Otakara [Translated] shows us a few of the specifications that could be coming to the wireless charging feature of the iPhone 8, iPhone 7s, and iPhone 7s Plus. According to the report, which quotes an experienced source familiar with the Wireless Power Consortium, Apple’s devices will only support half of the power profile which is currently standard in Qi version 1.2. This means the iPhone 8 could charge much slower compared to other devices that use wireless charging.
The report also noted that like the Apple Watch, third-party “iPhone 8” chargers will also need an Apple-certified chip to work. The source went on to suggest that it may be possible for a single charger to power both an Apple Watch and the “iPhone 8.”