BATTERY RACK AND POWER STORAGE DEVICE COMPRISING SAME

Disclosed is a battery rack, which includes a plurality of battery modules respectively having at least one battery cell, a rack case configured to accommodate the plurality of battery modules, a fire extinguishing water supply unit disposed at the rear of the rack case and connected to the plurality of battery modules, and a bracket unit configured to cover the fire extinguishing water supply unit and disposed at the rear of the rack case.