BATTERY PACK AND DEVICE INCLUDING THE SAME

A battery pack includes a plurality of battery modules; a venting guiding frame disposed along an edge of the plurality of battery modules; and a housing which accommodates the plurality of battery modules and the venting guiding frame, in which the battery module includes a battery cell stack in which the plurality of battery cells is stacked and a module frame accommodating the battery, cell stack, and the battery cell includes an electrode assembly and a cell case accommodating the electrode assembly, sealing portions are formed at an edge of the cell case, and at least one venting guiding part having a smaller width than an average width of the sealing portions is formed in the sealing portion.