BATTERY PACK WITH IMPROVED ANTI-MOVEMENT AND ASSEMBLY AND FIXING STRUCTURE FOR HIGH-CURRENT BUS BAR

A battery pack with an improved fixing structure enabling improved movement restriction and assembly for a high-current bus bar includes battery modules including a first electrical connection between battery cells, a second electrical connection between battery modules, a battery manager configured to control charging and discharging of the battery module, a connector comprising a third electrical connection between an output terminal of the battery module and the battery manager, a cross beam extending between a housing first wall portion and a housing second wall portion, defining an open portion, and including a cross beam bottom opposite to the open portion, and a pair of cross beam sidewalls, and an insulating cover including a base plate covering the open portion and a spacer protrusion piece protruding from the base plate toward the connector to support the connector.