Battery pack case, and battery pack including the same

A battery pack comprising:

• a plate providing a space in which battery modules are seated;
• an outer frame formed at a predetermined height at an outer side of the plate;
• and
• a partition frame partitioning an internal space defined by the plate and the outer frame into a plurality of module spaces,
• wherein a plurality of channels separated from each other are formed inside a left frame positioned on the left and a right frame positioned on the right in the outer frame, and
• an internal space of each of the plurality of module spaces is in communication with one of the plurality of channels,
• wherein the plurality of module spaces are disposed in two columns, a plurality of left channels separated from each other are formed inside the left frame, and a plurality of right channels separated from each other are formed inside the right frame,
• the number of module spaces of a first column disposed on the left among the plurality of module spaces disposed in the two columns is the same as the number of left channels, and
• the number of module spaces of a second column disposed on the right among the plurality of module spaces disposed in the two columns is the same as the number of right channels,
• wherein an internal space of each of the module spaces of the first column is in communication with each of the plurality of left channels in a one-to-one and mutually isolated manner, such that each of the module space is isolated from other module spaces, and
• an internal space of each of the module spaces of the second column is in communication with each of the plurality of right channels in a one-to-one and mutually isolated manner, such that each of the module space is isolated from other module spaces.