Greenify - Greenify is a mobile app that gives you greater control over your Android device's power usage, allowing you to get a lot more mileage out of your battery life without having to constantly plug it back into a charger.
JuiceDefender - Über 5.
Hibernator - Download Hibernator Pro MOD APK (Full Unlocked) - Latest Version 2.18.1 Free for Android. save battery power and improve performance
DU Battery Saver - DU Battery Saver, get up to 50% more battery life for your Android phone. Battery Saver learns how you use your phone, then creates smart profiles that match your settings to your needs while getting more life from your battery.
Deep Sleep Battery Saver - Download Deep Sleep Battery Saver app for Android. Deepsleep battery saver - reclaim your battery. .
Greentooth - Automatic Bluetooth disabler