One of the major drawbacks of a smartphone is their low battery backup. More number of sensors, large display area and higher processing power requires bigger battery, but most manufacturers does not put large batteries since dimension and weight is an important factor in the success of a smartphone. A normal user may be satisfied with the battery backup of a typical smartphone, but for special peoples who would like to stay connected to the internet at all times, make lot of phone calls, whether it is to browse the web, check emails, or watch videos, surely need special phones.