If you want an Android 7.0 device with a battery as big as 6050mAh, the Ulefone Power 2 is perhaps your only choice since other devices are either less powerful or older in Android version. The Ulefone Power 2 runs the stock Android 7.0 operating system with a slightly customized UI.
The Ulefone Power 2 claims to offer a smooth operation and better energy efficiency. Many software tweaks are added for fun and easier use, such as split screen, float multitask, three-finger camera starter, and switch to answer. You may have a look at the official video below for reference.
The Ulefone Power 2 features 4GB RAM, 64GB storage, 5.5-inch FHD Display, 16/13MP cameras, front fingerprint scanner and a gyro sensor. Now you can buy it for USD179.99 with USD40 gifts including phone stand, tempered glass, and leather case.