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.

BatteryCare - BatteryCare - Application and good practice guide for maintaining and optimizing the battery of the modern laptop

Greentooth - Automatic Bluetooth disabler

coconutBattery - With coconutBattery you are always aware of your current battery health. It shows you live information about the battery in your Mac and iOS devices (iPhone, iPad)

Easy Battery Saver - Easy Battery Saver, your super battery savior

GSam Battery Monitor - Monitor your android devices battery usage.