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.

Battery Health - FIPLAB is an award winning application development studio in London that specialises in creating intrinsically viral, high quality iPhone, iPad, Mac and Windows 8 applications.

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.

Die With Me - Chat with strangers when you have less than 5% battery

Dr. Battery - Dr.

Battery Buddy - Like the default battery indicator in your menu bar but cute