For the best smartphone experience, long battery life is essential. It is very frustrating to charge the phone from time to time. Even if your phone comes packed with the best features, it is of no use if the battery life is less. Because of this, most of the smartphone manufacturers give primary importance to battery life nowadays.
Please read the originial post here: http://pagenorton.com/top-5-android-battery-apps-available-in-2019/