These days, it seems as if there aren’t any real limits to what people want to do with their smart phones in the United States. It was not too long ago when people were used to just being able to place and receive calls and became thrilled when they learned that they could also send and receive texts. Then it became possible to send and receive emails, and shortly after that, it was even possible to take pictures and share them with people all over the internet. Speaking of the internet, you could also surf it from your phone. In short, there became a number of things you could do with a smart phone beyond simply use it as a phone. However, no matter how many bits of technological wizardry get added to smart phones, one thing will always remain true: they need battery power to function. This article will discuss how an additional battery can further improve the already notable functionality of a smart phone.