Is it true that a black wallpaper is used to save the battery?

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Craig Zacker
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Wallpapers are an important part of the phone, not only in terms of personalization, but can also affect its performance. It has always been heard that using a completely black image for the background can help save battery life. but is it true or is it just a caption? In this article we give you the answer.

Although battery capacity is crucial for autonomy, it also influences the use of mobile phones. In this aspect, you can turn on automatic brightness, turn off features you don't use like Bluetooth and yes, even change the background to a dark one. Let's see how choosing the background image affects your mobile.



OnePlus 8 with black background.

Save battery with dark background, fair or legend?

The mystery about the effectiveness of using a dark background to save battery has a simple answer: Yes, it works, especially on OLED and AMOLED screens. Because? Well basically why in this type of screens dark pixels are disconnected and do not consume power. This way, when using a completely black image, most of the pixels will not light up, which will not save battery and spend more time without going through the charger.

That it does not happen the same way on LCD screens because, as we have seen in the differences with AMOLED screens, in these panels the pixels must be steadily lit even if the colors of the image are black. Therefore, the power consumption of these displays is important.

We have already seen the power savings when using dark elements in dark mode customization, as it has been shown to be very useful to save battery on mobile for the same reason. Therefore, if you want to reduce the power consumption of your mobile, do not hesitate to activate the dark mode.



It is true that it is not easy to find a dark wallpaper among the default ones offered by smartphones, which are usually the most colorful. Therefore, you should find and apply these images yourself, a simple process. As we explain to you in the guide to turn your mobile to black, in the application Black Wallpapers 4K, which you can download for free from the Google Play Store, you can find more than 2.000 black backgrounds for your smartphone.


Before concluding, let's remember what animated wallpapers are of large consumption also for the terminal. They look nice, but they assume a rapid decrease in the remaining battery of the same. If this detail doesn't interest you, bet on animated wallpapers. On the other hand, if you prefer to conserve the battery, it is advisable to install a black wallpaper.


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