The Unihertz Tank 3 Pro has a massive battery, night vision camera, darkness-piercing 1,200-lumen camping light, and even a built-in projector.



Source: ADnet
Source Link: https://www.zdnet.com/article/this-android-phone-has-the-biggest-battery-ive-seen-and-its-now-part-of-my-off-grid-kit/