ABS - Android battery saver

You know the situation when you need to make an important call, the percentage charge as much as 10% but the phone suddenly turned off at the most inopportune moment? How is this annoying! Your problems will be solved, because with the application ABS - Android battery saver you can always see how many minutes your battery will last exactly! Just download the app and you'll always be warned about the imminent end of charge!