Windows 10 comes with a battery saver feature which will reduce background app activity, among other things, when it is enabled. The feature is meant for both Surface tablets and Windows 10 laptops and allows you to conserve the battery charge. You can set it to turn on automatically when your battery charge drops to a certain percentage. The battery saver mode disables all background activity for apps by default but it does let you add exceptions. When adding exceptions it’s a good idea to know how much battery an app consumes before you allow it to run in the background. Windows 10 comes with a built-in tool to check battery usage on a per-app basis. Here’s where you can find it.
Open the Settings app. Go to the System group of settings and select the Battery Saver tab. You will see two sections here; Overview which tells you how much of your battery is charged and how much time you have left on it, and Battery Saver which lets you customize the feature and set a charge limit to activate it.
In the Overview section, there’s an option called ‘Battery Use’. Click it.
Here you will be able to see how much battery has been consumed by the system’s display i.e. your screen, the system itself, and your Wi-Fi. Under this is a list of all apps that you have used and how much battery they consume. Use this information to decide which apps you will allow to run in the background.
Two other stats you should take into consideration are the ‘In use’ and ‘Background’ percentages. They tell you how much of the total battery consumed was by apps running in the background and how much of it was by apps you were actively using. If the background use is low then there is little point in disallowing an important app from running in the background while in Battery Saver mode.