BATTERY RACK AND ENERGY STORAGE SYSTEM INCLUDING THE SAME

A battery pack includes a plurality of battery modules, each battery module having at least one battery cell; a rack case configured to accommodate the plurality of battery modules, the rack case haying a plurality of air circulation units; an isolation unit mounted to the rack case and configured to be slidable to expose or seal the plurality of air circulation units; and a control unit electrically connected to the isolation unit to control the sliding operation of the isolation unit.