Modularized battery cluster

The utility model belongs to the technical field of heat dissipation of energy storage batteries, and particularly discloses a modularized battery cluster, which comprises a battery rack and a ventilation air duct, a plurality of groups of battery clusters are arranged in the battery rack, the ventilation air duct comprises a primary air duct and a secondary air duct, the primary air duct is communicated with the secondary air duct, the secondary air duct is communicated with the battery rack, and the battery rack is provided with a plurality of battery clusters. An air volume adjusting device is arranged on the first-stage air duct, and the air volume entering the second-stage air duct from the first-stage air duct can be adjusted by adjusting the air volume adjusting device. Through the arrangement of the air volume adjusting device, the air volume entering each battery cluster through the ventilation air channel is uniform, the temperature difference of the system is small, the application scene is wide, a