YouTube Science Video

This experiment allows for a more in-depth study of graphene based thin-film solar panels, as well as the research of solar cells charging portable devices. It tested the efficiency of 4 different types of solar panels by comparing the percentage of the battery versus the time. Each trial took four hours, with the percentage of battery charge on iPhone 4 recorded in fifteen minute intervals. The experiment showed that a current model of a solar-powered phone case... 5MSF