Member of XDA developed a great app for tuning android battery better way. In the words of the developer:  I wrote BetterBatteryStats because I was missing the great battery history that Spare Parts allowed to call on Froyo: - Process stats with User and System CPU time - Network Usage with bytes sent and received - Wakelock stats (the most important one when it comes to battery drain) This app is still under development and may contain bugs. If you find one you can keep ...