The Huawei Mate40E has a built-in 4200mAh battery and supports 40W flash charge and 40W wireless super fast charge. The Mate40E's 4200 mah battery takes only 20 minutes to rush from 0 to 50% and 45 minutes to full charge. The Huawei Mate 40E will use a 6.5-inch OLED screen with a resolution of 2376x1080, and is equipped with a chip with a main frequency of 2.86GHz, with a high probability of being the Kirin 990E chip.