HOUSING OF BATTERY PACK AND BATTERY PACK

A housing of a battery pack to be mounted on a hybrid system includes a housing main body including a first accommodating portion to accommodate a battery module to supply electricity to a motor generator of the hybrid system and a second accommodating portion to accommodate a control circuit of the battery module, a housing cover mounted on the housing main body, and a partition wall located between the first accommodating portion and the second accommodating portion in the housing main body to partition a space of the first accommodating portion and a space of the second accommodating portion from each other.