A rechargeable battery module that exhibits superior temperature control and has a minimized size through an efficient arrangement of unit batteries is provided. The rechargeable battery module has a plurality of unit batteries that are arranged at constant intervals and a housing that holds the unit batteries and in which air for controlling a temperature of each of the unit batteries flows. The unit batteries are divided into two battery columns that are provided on either side of a central structure such that terminals of the unit batteries in different columns face each other.