MOVABLE SOLAR CELL

摘要

PROBLEM TO BE SOLVED: To easily obtain a power at a place where the acquisition of the power is inconvenient and to easily display a display plate at night, at the place where the acquisition of the power is convenient.

SOLUTION: The solar cell is movable. A battery with an electric storage function is used together. Many solar cells can be connected. The display content of a display unit is changeable together with them. Configurations for many types of functions can be added according to the use.

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