Battery Pack

Abstract: The disclosed invention relates to a battery pack. In an embodiment, the battery pack comprises: a pair of base plates; a center frame interposed between the pair of base plates to be connected to each of both base plates in a lengthwise direction; a pair of side frames connected respectively to the outer side surfaces of the base plates in the lengthwise direction; and a plurality of battery modules seated on the base plates along a pack space between the center frame and the side frames, wherein the battery modules each comprise a pair of module frames accommodating a plurality of battery cells and are accommodated in the pack space so that the module frames are arranged in a direction across the center frame and the side frames.

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