We all know it: you are on your way to an important meeting or a nice day and suddenly, you are stuck in traffic. All you want to do is send a quick message that you will be late but your phone dies on you. There you are now, not knowing how to contact the person. We simply depend on our smartphones in many situations nowadays. Therefore, a long battery life is extremely important. Read on if you want to find out more about the battery life of Android phones!