Doogee's Fire 6 Max is a smartphone beast with a built-in thermal camera, night vision, and a powerful flashlight. But its 20,800mAh battery takes the cake.



Source: ADnet
Source Link: https://www.zdnet.com/article/this-android-phones-built-in-thermal-imaging-sensor-caught-me-off-guard-then-i-saw-the-battery-life/