Mobile terminal, device for displaying charging efficiency and method for displaying charging efficiency of solar battery

The present invention relates to a mobile terminal that can display the efficiency of the solar cell. A mobile terminal related to an embodiment of the present invention is provided with a power source to a solar cell power generation according to the amount of light to be irradiated; A sensing unit for detecting a power generation amount of the solar cell; Storing the light quantity data based on the amount of irradiated light memory; Control unit for calculating the charge efficiency of the solar cell by using the comparison of the detected amount of light generation and the data stored in the memory, and the comparison result; And the calculated may include a display that displays the charging efficiency.