Phoenix Max Specs CPU 8-Core Processor, 2.0 GHz Android 9.0 13.3 inch RAM 8G LCD 13.3 Inches 1920 x 1200 pixels ROM 256G Battery Operating Voltage 9~18V Storage Temperature Working Temperature 18,600 mAh / 3.8V -20 ℃~ 60 ℃ -4 ℉ ~140 ℉ 0 ℃~ 50 ℃ 32 ℉~ 122 ℉ 4