A battery module cooling system, comprising: a housing having a first enclosed portion and a second enclosed portion, the first enclosed portion configured to receive a first battery module therein; a first evaporator disposed in the first enclosed portion; a first evaporator fan disposed proximate to the first evaporator in the first enclosed portion configured to recirculate air in a first closed flow path loop within the first enclosed portion, the first evaporator configured to extract heat energy from the air in the first closed flow path loop to reduce a temperature level of the first battery module; a condenser disposed in the second enclosed portion and fluidly coupled to the first evaporator, the condenser configured to receive heat energy in a refrigerant from the first evaporator and to dissipate the heat energy; a compressor disposed in the second enclosed portion that recirculates the refrigerant through the first evaporator and the condenser; and characterized by further comprising: a first flow balancing baffle disposed proximate to the first evaporator fan, the first flow balancing baffle being substantially u-shaped with a plurality of apertures extending therethrough; and a first flow balancing tray disposed on the first flow balancing baffle, a second flow balancing tray disposed on a top surface of the first battery module, and wherein the first flow balancing tray and the second flow balancing tray have a plurality of apertures extending therethrough. a housing having a first enclosed portion and a second enclosed portion, the first enclosed portion configured to receive a first battery module therein; a first evaporator disposed in the first enclosed portion; a first evaporator fan disposed proximate to the first evaporator in the first enclosed portion configured to recirculate air in a first closed flow path loop within the first enclosed portion, the first evaporator configured to extract heat energy from the air in the first closed flow path loop to reduce a temperature level of the first battery module; a condenser disposed in the second enclosed portion and fluidly coupled to the first evaporator, the condenser configured to receive heat energy in a refrigerant from the first evaporator and to dissipate the heat energy; a compressor disposed in the second enclosed portion that recirculates the refrigerant through the first evaporator and the condenser; and characterized by further comprising: a first flow balancing baffle disposed proximate to the first evaporator fan, the first flow balancing baffle being substantially u-shaped with a plurality of apertures extending therethrough; and a first flow balancing tray disposed on the first flow balancing baffle, a first flow balancing baffle disposed proximate to the first evaporator fan, the first flow balancing baffle being substantially u-shaped with a plurality of apertures extending therethrough; and a first flow balancing tray disposed on the first flow balancing baffle, a second flow balancing tray disposed on a top surface of the first battery module, and wherein the first flow balancing tray and the second flow balancing tray have a plurality of apertures extending therethrough.