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we are using IT products outside with supplement electronic supply device like batteries. However, as we have more leisure time and outside activity is getting more, the products are not enough to be recharged with only some batteries. Then, we have to reduce use of battery because these many batteries are influencing negative effects on environment. Therefore, the user can keep the environment, and at the same time, the user can use the energy for free. 'E-sunflower' lets users use electricity when they want as restoring electricity converted from solar heat on a storage battery. also provides a cool shade by shielding the sun.