| 摘要 |
An electric fan includes a base, a drive unit, a fan blade, and a direct current power source. The drive unit is mounted on the base, and includes a direct current fan motor and an electrical socket connected to the fan motor. The fan blade is coupled to and is driven rotatably by the fan motor. The direct current power source is coupled electrically to the fan motor, and includes a storage battery and an electrical plug connected to the storage battery. When the electrical socket and the electrical plug are interconnected, the storage battery provides power to the fan motor for operation of the electric fan.
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