Avast Battery Saver 1.0.861 (Android 4.0+)

This release does not have a Play Store Description, so we grabbed one from version 2.8.3:

Avast Battery Saver extends your battery life by stopping apps that you aren’t using and optimizing your device settings.

You spoke and we listened! The all new Avast Battery Saver 2.0 is easier to use and more powerful than ever, allowing you to stop apps with one tap, speed up your device, and save battery life.

Squeeze up to 20% more life from your battery by stopping apps that run in the background.

Don’t let your phone let you down. See how many apps you have running in the background and get regular, accurate estimates of how much time you have left on your battery.

■ Just open Avast Battery Saver and press “Stop Apps” to immediately boost your phone's performance.
■ Thanks to the app’s adaptive energy estimate function, you'll know just how much life you have left in your battery.
■ Activate pre-configured profiles to optimize your phone’s settings to suit your environment.
■ Plan when you’ll need to charge your phone based on your phone usage.

Powerful and easy to use, Avast Battery Saver gives you complete control over your device.

■ Choose from 5 profiles: Smart, Home, Work, Night, and Emergency.
■ Use adaptive Smart Profile to let the app adjust your phone’s settings according to your regular usage.
■ Get alerts to switch to a different profile based on your activity and battery level.
■ Easily switch between profiles and manage them inside the app.

Avast Battery Saver is the most reliable battery saver in its category on Google Play. But that doesn’t stop us from continually improving the app’s look and feel and fixing bugs, so you always have the best experience possible. If you have any comments or suggestions, please let us know. We care about your feedback!

Avast is the world’s most trusted antivirus, with more than 230 million people around the globe relying on us for protection.