By Cameron Summerson, HowToGeek.com, November 3, 2016
Improving Android Battery Life
Once upon a time, you had to really keep an eye on your Android phone to make sure the battery wasn’t being depleted immaturely. Manually toggling connections, constantly adjusting brightness, and the like are basically all things of the past now—but there are still things you can do to maximize your handset’s battery life.
Before we get into the how, however, let’s talk about how far Android has come. Back in Android 6.0 Marshmallow, Google released a new feature called Doze Mode, which promised to improve battery life by “forcing” the phone into a deeper sleep when it’s not in use—leave it lying on the table or desk for a bit, and Doze would kick in, saving you precious juice.