Energy storage container large space firefighting is suitable for air-cooled and submerged liquid cooled energy storage battery compartments, where the extinguishing medium can be heptafluoropropane or perfluorohexane. The fire protection system consists of gas fire protection and combustible gas intake and exhaust. At the same time, a water sprinkler fire protection system can be added on this basis to achieve triple protection of gas, water, and intake and exhaust.