An upcoming phone called the Motorola XT2073-2 has been certified by the Federal Communication Commission (FCC). According to some leaks, it will be called the One Fusion on its launch. It is thought to have a 4000mAh battery and a possible Plus variant.
https://www.notebookcheck.net/The-Motorola-One-Fusion-surfaces-in-new-leaks-may-launch-soon.465701.0.html