It can be said with certainty that 20,000+ users downloaded Battery Alarm latest version on 9Apps for free every week! The App has powerful functions. This hot app was released on 2013-05-22. Be sure that you check your current app before you start a run.
Simple app to set alarm based on - battery level (Percentage)- AC Connected / Disconnected. The alarm rings when the condition is met
What is more serious is that packages are now getting bigger and bigger. This top Tools app is just 0.1M. It has amazing low flow consumption, so that you do not have to worry about your traffic usage. 9Apps also provides other hot Tools apps(games) for android mobile phone. All apps are completely free on 9Apps.