When discussing features of personal technologies, we are going to highlight the battery within our cell phones. Battery life is not very reliable and doesn’t have the endurance we would like. The battery interacts with many parts of the phone because if the battery is not charged you aren’t going to be able to use any part of your phone. When you open anything on your phone it is using the batteries charge making it a multi- tasking device. The battery used in cell phones are usually specific to that brand it is inside of. Batteries are in many different devices such as computers, cameras, and cars. Batteries play an essential role in personal devices