BATTERY PACK AND MANUFACTURING METHOD THEREFOR

Provided is a battery pack including: a frame having an inner space; a plurality of battery cells each having one end disposed in the inner space of the frame and the other end protruding to the outside of one side of the frame; a cell holder installed at one side of the frame; a heat sink installed on the cell holder; a plurality of supports disposed in a portion of a space between the battery cells; and a filling material filled in the rest space in which the supports are not disposed in the space between the battery cells. Here, an amount of the filling material is adjusted according to the number of the provided supports.