| 摘要 |
PURPOSE: Provided is a battery pack attached/detached to/from a terminal body, which generates, storages and supplies electric energy to use the terminal permanently regardless of the time, position and the presence of an external power supply. CONSTITUTION: The battery pack comprises a member for transforming and transferring an uni-directional short-distance linear kinetic energy into the continuous rotation energy of a generator; a compact generator; a circuit for transforming the electric power generated by the generator into an energy capable of being charged to a secondary battery to be used; the secondary battery; and a circuit for protecting the charge/discharge of the secondary battery.
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