Per-App Modes - Per-App Modes is a handy application that can help you extend the battery life of your Android smartphone or tablet. The software works by adjusting the CPU and GPU frequencies depending on what app you are using. You can create profiles for each app and activate them when needed
Power battery - is the most professional application for saving power. This application will allow you to prolong the service term of batteries of Android phones and tablets. This smart utility has options of settings of saving mode, optimization activation, charging control from the battery as well as control and clearing of memory
Power Battery - Battery Saver - Power Battery, as the most professional battery saver app, could get up about 60% more battery life for Android phones or tablets. This smart app could supply functions of customizing power saver mode, charging booster, running-app optimizer, battery power monitor, memory manager & clean and so on
Powerful Speed Booster - DU Speed Booster is a powerful device manager that will help you master your background tasks, memory space, apps, and battery power through easy interface and one touch controls
Quick Battery - 1x1 battery widget that, unlike many others, does not drain battery. Combine it with Quick Settings (to get access to system settings) or with another app.
Don't kill this process if you want it to work!
NOTE: It is a widget for the home screen. To add press Home -> Menu -> Add -> Widgets -> Quick Battery
Screebl - teach your smartphone how to save battery charge. The application will help you control energy saving functions of your phone. The software will process the data about energy consumption and will activate the needed functions of energy saving. Prolong wireless productivity of your device
Sleepy Battery- Turn off interfaces draining your battery life; it detects when your phone is idle and then it can power off: Bluetooth, WiFi, APN for background data exchange and sync mode, Airplane mode. Usefull to save battery in the night. Delayed power on for briefly looking at phone
Smart Mobile Data Switcher - Smart Mobile Data Switcher is a useful widget that can help you save battery power when using your Android smartphone. The app automatically switches off 3G when your mobile device is connected to a WiFi network and turns it on later when you leave the hotspot coverage area