We all know that smartphones have become an essential part of our lives – whether that’s for keeping in touch with friends or doomscrolling on social media – but despite their usefulness, there is one frustration that all almost phone users share, battery life. After a few months of use, having a phone battery that can last a full day on a single charge can be far from guaranteed, especially if you use your device a lot for work or during the commute. To help phone users understand how to take care of their device’s battery, Alan Taylor, a technology and computer science contributor at Incredi…