A system comprising: a plurality of battery submodules (500, 606, 608) including a first battery submodule (500, 606) and a second battery submodule (500, 608); a support structure (450, 600) coupled to the plurality of battery submodules, the support structure including: a first o-ring provided on a first surface of the support structure around the first battery submodule; and a second o-ring provided on a second surface opposite to the first surface of the support structure around the second battery submodule, an opening for receiving a portion of the first battery submodule and a portion of the second battery submodule, wherein the opening extends between the first o-ring and the second o-ring; a channel formed within the opening between the portion of the first battery submodule and the portion of the second battery submodule; an inlet (456, 610) provided on a top surface of the support structure adapted to receive a fluid; an outlet (458, 612) provided on a bottom surface of the support structure adapted to receive the fluid after the fluid travels through the channel in direction of gravity, wherein the channel extends between the inlet and the outlet. a plurality of battery submodules (500, 606, 608) including a first battery submodule (500, 606) and a second battery submodule (500, 608); a support structure (450, 600) coupled to the plurality of battery submodules, the support structure including: a first o-ring provided on a first surface of the support structure around the first battery submodule; and a second o-ring provided on a second surface opposite to the first surface of the support structure around the second battery submodule, an opening for receiving a portion of the first battery submodule and a portion of the second battery submodule, wherein the opening extends between the first o-ring and the second o-ring; a channel formed within the opening between the portion of the first battery submodule and the portion of the second battery submodule; an inlet (456, 610) provided on a top surface of the support structure adapted to receive a fluid; an outlet (458, 612) provided on a bottom surface of the support structure adapted to receive the fluid after the fluid travels through the channel in direction of gravity, wherein the channel extends between the inlet and the outlet. a first o-ring provided on a first surface of the support structure around the first battery submodule; and a second o-ring provided on a second surface opposite to the first surface of the support structure around the second battery submodule, an opening for receiving a portion of the first battery submodule and a portion of the second battery submodule, wherein the opening extends between the first o-ring and the second o-ring; a channel formed within the opening between the portion of the first battery submodule and the portion of the second battery submodule; an inlet (456, 610) provided on a top surface of the support structure adapted to receive a fluid; an outlet (458, 612) provided on a bottom surface of the support structure adapted to receive the fluid after the fluid travels through the channel in direction of gravity, wherein the channel extends between the inlet and the outlet.