| 摘要 |
PURPOSE: A battery is provided to improve coming-off phenomenon of a cover by a combination of a frame and a cover, and to easily attach and detach the frame and the cover. CONSTITUTION: A battery(1) comprises: a core pack(100) with unit cells(10); a frame(300) having a first coupling part(350) accepting the core pack, and a cover(400) having a second coupling part combinable to the first coupling part, covering the core pack. One coupling part of the first coupling part or the second coupling part comprises a block part. The other coupling part of the first coupling part or the second coupling part has a shape corresponding with the block part. In the battery pack, a flat part extended from the first coupling part and a slope part arranged in the outside of the flat part.
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