Energy plays a very important role for powering the system to work well either in Humans or in any artificial system. Communication is fundamental need for humans and a mobile system provides the power to communicate with the world so easily. Mobile phone is like a part of our day to day life. Without it, one feels incomplete and unsecure because most of the work is done with the help of it. Smartphone is the most common gadget in cities and also in the small towns now. But a big backlog of this phone is high battery consumption due to several features. Thus, most of the time the smart phones users runs out of battery, suppose on a Railway station a person is waiting for train by enjoying music on phone or surfing internet for any important information and suddenly run out of battery. That time if the charging facility is available somewhere then it is like boon. So, this necessity is being conceptualized in this paper. A Coin Insertion based mobile charger can be useful in today’s scenario. It can be used on bus stations, railway compartments, railway stations, etc