As a Certified Android Troubleshooter, there are certain tools you learn to rely on.

Whether you're the official go-to guy or gal for Android problem-solving in your office, the unofficial single-person tech support team for your entire extended family, or even just someone who likes to make sure your own phone is always in tip-top shape, these tools are critical parts of the phone-fixin' process. And one of the most helpful such items (aside from the hammer you obviously keep around for particularly challenging devices) is Android's built-in battery stats system.

Android's battery stats system lets you quickly see what app or process is consuming more than its share of a phone's limited power. When a device suddenly starts running out of juice mysteriously early in the day, it's the first place you turn to figure out what's draining the battery and what you should do to address it.

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