That always depends on how you use the device. For me, it is plugged in 1 - 2 times a day, I mainly use it for surfing, social media, photos and listening to music. Screen brightness tends to be in the upper half as I find the backlight rather weak. I always have a powerbank with 8000mah with me when I'm on the road. Greetings

The battery life of this device seems to be mediocre (just under 12 hours in idle mode).

(I found a test report on the device at http://www.notebookcheck.com/Test-Huawe...)