Battery pack including a guide disposed on an inner surface of a case

A battery pack, comprising:

• a case comprising an intake port for introducing air into an interior space thereof and an exhaust port for exhausting air from the interior space;
• a plurality of battery accommodation sections arranged along a first direction within the interior space of the case and respectively accommodating a plurality of battery cells with clearances therebetween;
• a plurality of supply flow paths provided at one end of a second direction of the battery accommodation sections, the second direction intersecting with the first direction;
• an exhaust flow path provided at another end of the second direction of the battery accommodation sections and communicated with the exhaust port;
• a guide disposed on an inner surface of the case and elongated along the first direction;
• and
• a distribution flow path defined by the guide and the inner surface of the case, elongated along the first direction, and communicated with the intake port and the supply flow paths,
• wherein the guide includes:
• a main guide section positioned with a space to the inner surface of the case and elongated along the first direction;
• and
• a first sub-guide section extending from one side portion of the main guide section to the inner surface of the case, and
• wherein an air distribution port is defined between another side portion of the main guide section and the inner surface of the case such that the air distribution port is elongated along the first direction and communicates the distribution flow path with the supply flow paths.