xr does not support 20w fast charge, while iPhone EXR supports a maximum of 18W fast charge. 1. IPhone EXR The battery capacity of this phone is 2942mAh. You can use a 20W fast-charging charger, but it cannot reach the charging efficiency of 20W fast charging. 2. The charging power of the iPhone EX Max can reach 20W, but the charger of the phone does not support fast charging. If you want such a high power fast charge, you need to buy a set of devices that support USB PD fast charge at your own expense - chargers and data cables.
3. Charging mobile phones that do not support fast charging with fast charging appliances will cause overload of chargers and batteries. Although the mobile phone comes with overvoltage or overcurrent protection, but the battery is not good, but also the burden on the motherboard, the fast charger is set up inside the identification circuit, and the mobile phone and other devices with the same protocol after connection, can automatically identify, fast charging process.
The iphone xr can be charged with 20w fast.
iPhone XR is a TrueDepth camera that supports Face ID. In the early morning of September 13, 2018, the iPhone XR was officially launched at Apple's 2018 Fall New Product event, starting at $749. It went on sale at 3:01 on October 19, 2018.
The Apple xr can use a 20W charger, but the maximum input power with a fast charge is 18W. For the current Apple products, as long as it is the iPhone8 and later products, it supports fast charging, but it must be an Apple official certified fast charging appliance. Think of the previous use of Apple standard 5W charging head, full charge takes almost 3 hours, really uncomfortable.
Support fast charge, maximum 18w only.
All Apple phones support fast charging 20w, IPhonex and above