Battery pack

The utility model provides a battery pack which comprises a heat management assembly, a battery module and a first heat conduction insulating layer, and the heat management assembly comprises a first heat exchange plate; the battery module comprises a plurality of single batteries and a plurality of busbars, each single battery comprises a pole, and the plurality of busbars are located on one side, facing the first heat exchange plate, of the plurality of single batteries and electrically connect the plurality of pole; the first heat conduction insulating layer is arranged between the busbar and the first heat exchange plate; wherein at least one busbar is provided with a through hole penetrating through the busbar along the thickness direction, and the first heat-conducting insulating layer penetrates through the through hole and is in contact with the pole of the battery monomer. The heat exchange efficiency of the battery module can be improved. 本申请提供一种电池包，包括热管理组件、电池模组和第一导热绝缘层，热管理组件包括第一换热板；电池模组包括多个电池单体和多个汇