The iPhone EXR can support 18W fast charge, which can be full in about an hour. The American version is the same as the national version. The Apple XR has a 7 megapixel camera on the front and a 12 megapixel single camera on the back, and although there is only one camera, it supports optical stabilization and also supports portrait mode with background blur.
Charge the xr with an 18-watt fast charge, and the battery will be fully charged in about an hour.