BATTERY MODULE AND BATTERY PACK INCLUDING THE SAME

A battery module includes a battery cell stack in which a plurality of battery cells are stacked; and a module frame for housing the battery cell stack. The module frame includes a first module frame having an opened upper part and a second module frame having an opened lower part. The first module frame includes a first side surface part, a second side surface part, and a bottom part for connecting the first side surface part and the second side surface part, wherein the second module frame includes a third side surface part, a fourth side surface part, and a ceiling part for connecting the third side surface part and the fourth side surface part. The first module frame and the second module frame surround the battery cell stack in a state where the first side surface part and the third side surface part are overlapped, and the second side surface part and the fourth side surface part are overlapped.