A cover for a portable terminal having a fixing part for fixing the portable terminal and a folder rotating at the fixing part to open and close the portable terminal. The cover includes an input unit and/or a display unit, and a charging unit. The input unit inputs data to the portable terminal. The display unit displays data from the portable terminal. The input unit and display unit are constructed in the folder. The charging unit is constructed in at least one of the fixing part and folder, and supplies power to the portable terminal generated using a solar cell.