The Sharp X1 features a 5.3-inch FHD IGZO display, a Snapdragon 435, 3 GB of RAM, and a huge 3,900 mAh battery. The device will be available in Japan as a part of the Android One initiative.
https://www.notebookcheck.net/The-Sharp-X1-is-an-Android-One-device-with-a-huge-battery.230936.0.html