The Apple x supports up to 18W of charging power.
The iPhoneX Fast Charge uses the USB PD charging protocol.
At this stage, Apple's official chargers that can be used by the iPhoneX to support fast charging have five USB-C interfaces: Apple 18W, 29W, 30W, 61W and 87W.
The iphonex supports up to 87 watts of fast charging.
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It can be quickly charged to 50% in 30 minutes, and the iPhonex has a low battery mode. Open the system Settings page of the phone, click battery, and turn on the low battery mode.
The iPhoneX supports PD fast charge, which is around 18W.
The iphonex was released on September 13, 2017, Beijing time, and according to the official introduction, it can be charged to 50% power in 30 minutes, requiring the use of 18W or more power adapters.