This application will tell you how long a single battery charge lasts. It is used to determine the battery life of Android devices. It has many uses. For example: Android device reviewers might find it especially useful if they want to determine the actual true battery life of a device under specific use conditions. General users can use it to check if their battery is getting low on charge capacity and needs replacement.
![Conserve Battery Power by Putting Your Nexus 7 in Deep Sleep Mode [How-To] screenshot 1](https://i.ytimg.com/vi/4mV3tKfbJH8/mqdefault.jpg)
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