Deep Sleep Battery Saver is a free simple to use battery saver app for Google Android. Deep Sleep will turn off your Wi-Fi, data, Bluetooth, and stop apps from running when your screen is turned off on your Android phone or tablet. Occasionally, it will wake up to download e-mail, and notifications, but you can set it to not wake up Wi-Fi and 3g/4g data to save even more power.
The User Interface is pretty easy to use. You can turn the App on and off from Deep Sleep, and also change settings from Deep Sleep main program. There is also a summary of what each mode does on the app.
Deep Sleep runs pretty quickly, and rarely freezes in my experience.
I like the modern looking Dark user interface because it looks very clean, and modern looking. The battery icon for Deep Sleep in the notification status bar on android is useful for seeing the percentage of power I have left on my battery before I need to charge it.Deep Sleep seem to make my battery on my tablet last a bit longer, so I am charging it less.
It comes with pre-set settings like Gentle, Balance, Strong, Aggressive, Slumberer for Deep Sleep, so you can setup when Deep Sleep turns on and off. You can also make changes to the presets, and make your own custom mode. The pro version lets you change Deepsleep settings even more base on time of day, and day.
You can also tell Deep Sleep to ignore apps from stopping when the screen is off, or not to go into deep sleep in the settings for Deep Sleep. Deepsleep also can be set to not turn off your wi-fi and data when you are downloading stuff like updates for apps, streaming music, or downloading files.
Deep Sleep also reminds you to charge your battery when your battery is low, and tells you when your battery is fully charge.
For Root Google Android devices, Deep Sleep can be set to only use one CPU core when screen is off on a multi-core CPU smartphones and tablets, so you save power when the screen is off.
Deep Sleep Battery Saver is only 2.7 MB in size, and works with Google Android 2.1-4.4.2+.
You can download Deep Sleep Battery Saver from https://play.google.com/store/apps/details?id=com.rootuninstaller.batrsaver