Dark backgrounds can help you maintain your battery. But is this really true?Everything depends on your screen. AMOLED technology allows you to reduce the amount of energy used, but, if your doing other types of screens, surely you will not get an improvement in performance only by changing the background of your phone!
Unlike the AMOLED screens LED technology, does not need a backlight to work. Moreover, the AMOLED screens, each pixel consists of small lights branch blue, red or green, so to show a black light, it is not necessary to prevent any light, because the only thing that will happen is that none of the small sub pixel colors will be activated.
Theoretically this way, black pixels help device to save battery life, as these are totally disabled pixels. However, many people eventually might think that any black color will be the same efficiency, such as gray, for example, and that's wrong, of course.
Experience
Whtwam, Ryan decided to site Green Bot to test the efficiency of the color black in AMOLED screen. Where was the experiment for 30 minutes on the screen using Reddit Sync application, both in normal mode (colour), and night mode (using "black").
As a result of this experience is sincere to black screen used 41% of less power than a color screen.
If you use the phone frequently, you should know that the screen is one of the components that consume more battery power device. so, if you are using applications in black, you will save your battery up between 15-20%. This value varies depending on the way you use your device.
If other non-AMOLED screen phone, you can use the apply Pixel Battery Saver as an alternative to providing battery. that allows you to set up the screen as a way to save battery power, the application uses an interesting gimmick, the less accurate the overall width, and reduces the number of effective pixels., which adds some minutes on your Smartphone.
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