If you don't like all-in-one apps, I have an app that might suit you better:
Battery Monitor Widget, allows you to monitor all aspects of your battery, from capacity to standby drain, and from usage statitics to usage estimates. Nothing has been forgotten, you can even read battery consumption in milli-Ampere, milli-Watts or percent per hour!
System Tuner, allows you to tweak your device for best performance and battery life, from system apps to system tweaks, from CPU to SD configuration, not much has been forgotten.
Multi Toggle Widget, allows you to add nice toggles on your home screen.
And don't forget to contact me for feature request, bugs, or any other comments!