Patent attributes
A mobile power source that has a battery pack including at least two battery cell assemblies each having frame that has a first support member and a second support member, each of the first and second support members including a plurality of cylindrical recesses that receive the plurality of battery cells to support the battery cells. Bus bars are coupled to the first support member via injection molding and each is configured to electrically connect to at least two battery cells. The bus bars each include an elongated conductive body that has a base and fingers extending laterally away from the base. Each of the fingers extend within a first plane, and the base extends within a second plane that is parallel to the first plane and offset therefrom.