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I know the thread What can I do to increase battery life on my Android device? which is a subset of this question. I want to understand how you can improve battery lasting in Android, which is a much broader topic than the original. I am especially interested in Android versions later than 4.4 because of Xposed installer, a necessity of Greenify's applications, is developed for those versions but still in the experimental phase.
I see this after morning use in Samsung Galaxy 4 and Android 5.0.1:
which is too fast. I am using battery saving mode and disabled step-counter from my phone.
How can you use better battery in Android?