Battery Pack And Device Including Same

Abstract: A battery pack according to one embodiment of the present invention comprises: a battery module including a first sub-battery module and a pair of second sub-battery modules positioned on both sides of the first sub-battery module; a pack frame on which the battery module is mounted; and a pair of connection parts penetrating the upper and lower portions of the first sub-battery module and the pair of second sub-battery modules, respectively, wherein both sides of the pair of connection parts are fixed to a side part of the pack frame, the first sub-battery module is fixed to the bottom surface of the pack frame, and the second sub-battery modules move along the longitudinal direction of the connection parts.

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