BATTERY PACK AND BATTERY DEVICE

摘要

A battery pack according to an embodiment includes, for example, a first housing and a plurality of battery modules. The first housing includes a first outer wall and a second outer wall spaced apart from the first outer wall. The battery modules are provided in the first housing and each of them includes a second housing and a plurality of battery cells accommodated in the second housing. The second housing of at least one of the battery modules is connected to the first outer wall and the second housing of at least one of the battery modules, which differs from the battery modules including the second housing of which is connected to the first outer wall, is connected to the second outer wall.