Battery Usage Chart?

[waxlrose]

What is the best app for graphing battery usage and what it using it? I want to do some battery tests before switching roms.

 

[Harry2]

If you need precise steps for the timelines of your graph, you should use 'Battery Graph'.
Additional I export the .csv file from app to my PC and create a graph with MS Excel.
I use the app only for tests.

For daily all time usage I have the 'Battery Monitor Widget' app on my phone.
Its advantage is that it can generate a mA graph (plus %, mV and

 

[Usta]

Or, if your phone is on Gingerbread, you can access battery usage statistics from Settings - About Phone - Battery Usage.
It's basic, but still gives you info which apps are using the battery power.