How to enable Battery Saver automatically on the Lumia 950 and 950 XL

[Windows Central]

Battery Saver extends the battery life of the Lumia 950 and 950 XL by limiting background activity and push notifications. It is off by default, but you can set it up so that your phone automatically turns on battery saver when the battery falls below a certain percentage. We'll show you how to do it.

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