| 摘要 |
According to an embodiment of the present invention, provided is a battery pack which includes: multiple unit batteries including a pair of first sides and a pair of second sides, vertical to a pair of the first sides, and placed in a first direction to make the first sides face each other; a protection circuit module electrically connected to the unit batteries, including a substrate and a protection element installed on the substrate, and placed near an upper part of the unit batteries; a first cap cover storing the protection circuit module and the upper part of the unit batteries; and a second cap cover spaced from the first cap cover while interposing the unit batteries, and storing a lower part of the unit batteries. At least one among the first and second cap covers includes a rib extended to an area between adjacent unit batteries among multiple unit batteries. |
