Android’s stock battery menu is pretty decent. You can see which apps have been using the most power, and you can tell when your CPU was awake or asleep, among other things. But a lot of times, battery-sucking services will get lumped under the generic “Android System” header, and even though you can see when your CPU was awake, you can’t exactly see why.

Understanding this, Google created a tool called Battery Historian that interprets data from a bug report to give you tons of information about battery drain. But this utility was incredibly hard to use, as it required several complicated… more

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