Download this app if: you need to prolong battery life.
*** Over 7,000,000 Downloads! ***
JuiceDefender - Battery Saver is a powerful yet easy to use power manager app specifically designed to extend the battery life of your Android device. Packed with smart functions, it automatically and transparently manages the most battery draining components,...
Really? — I'm still not sure I understand how this saves battery life. I know it turns off certain background functions but still trying to figure it out...