As stated below video: "Also, I just found out that the battery management system needs to be updated by Ford service to allow proper charging of AGM battery instead of Lead Acid battery. They charged me a $75 service fee to change it."check out this video, It shows you how DIY. But why not try to get your dealer to do it for free under warranty. Also you need to do a BMS reset if you DIY and if you don't have the equipment that becomes a problem. Here is the link to the video.
An honest dealer or any technician with FORscan tool may do it for less.