<p><i>Safe Charger</i> is a simple app to maintain healthy battery life. It has been advised by some technology experts that the phone should not be charged to a complete charge cycle repeatedly in order to maintain a good battery life. Also, this is just a small idea which emerged when I heard the shocking news of my friend’s phone exploded near his head after a complete charge. Fortunately, nothing happened to him.</p><p>The following is the working of the application:</p><ul><li>The application will be always idle</li><li>When the android phone goes to the charging state, a background thread will be fired which checks the battery level in an optimized way.</li><li>The application will trigger a notification sound when the charge reaches 85%.</li></ul>