3c rore skipping by joo yong kim from korea

A dry cell battery is used a variety of electronic goods in our real life. However, it causes environmental pollution and wastes of energy because of a disposal problem. Therefore, we approach the productive way of an electric charging by using recharge cell.It produces energy with an independent power plant by using rope-skipping’s repetitive turning force.It is good for health by turning a skipping rope and produces energy by doing repetitive rotation.