Energy storage battery prefabricated cabin and energy storage battery

The invention provides an energy storage battery prefabricated cabin and an energy storage battery, and the energy storage battery prefabricated cabin comprises a first installation chamber which is internally provided with a detection assembly, a fire protection assembly and a plurality of cabin bodies used for storing battery packs; a first controller and a second controller are arranged in the second mounting chamber, the first controller is connected with the detection assembly, and the second controller is connected with the fire-fighting assembly; a water cooling unit is arranged in the third mounting chamber, the second mounting chamber and the third mounting chamber are arranged on the same side of the first mounting chamber, and the second mounting chamber is tightly attached to the third mounting chamber. According to the scheme provided by the invention, layout planning is carried out on the whole energy storage battery prefabricated cabin, so that each component can be arranged in the correspondin