The Ulefone Power 5 is Ulefone's new battery monster. The device gets its running juice from a nigh-unparalleled 13000 mAh battery. It also features quad cameras, wireless charging, OIS, and a slew of features you wouldn't expect to find on a device that could very well power a house.
https://www.notebookcheck.net/The-Ulefone-Power-5-is-now-official-and-it-comes-with-a-bewildering-13000-mAh-battery.300454.0.html