| 摘要 |
PURPOSE: Provided are multi-unit battery pack, in which a number of battery cell forming battery is separated into a number of small battery pack, wherein the separated battery pack is individually mounted in body and electrically connected with each other, and thus inner space can be designed more freely, and a device using the multi-unit battery pack. CONSTITUTION: The device comprises multi-unit battery pack, and housing for separating the multi-unit battery pack into at least two unit battery pack and receiving them. The multi-unit battery pack comprises the first single unit battery pack(60) consisting of one single unit formed by connecting a number of unit battery cells with each other; the second single unit battery pack(60') consisting of one single unit formed by connecting a number of unit battery cells with each other; power source wire(90) which connects the single unit and the second unit; and connector(80,80') for supplying a desired power source to the device. The housing comprises the first and the second battery pack receiving parts(62) for receiving the first and the second single unit battery pack, respectively.
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