Portable chargers are a must in my life because when I am out I could be out for the entire day I usually keep a few of these close by just in case my cell starts to die because my battery life drains quickly when listening to music or when I am connected to WiFi. This one is lighter then the others I have which allows me to carry it easily in my bag and it does not take up much room. This is available on Amazon . I received this product at a discounted rate in exchange for a honest review.