High-power explosion-proof water-cooled battery pack

The invention relates to the field of new energy batteries, and particularly discloses a high-power explosion-proof water-cooling battery pack which comprises a shell, a battery module arranged in theshell, a fixed body in the battery module, a water-cooling channel in the fixed body, a water-cooling system with a main channel and branches, and a fire extinguishing system with a storage box and amixing box. By means of the fire extinguishing system, after a fire occurs in the battery pack, solutions in the storage box can be mixed immediately, a large amount of carbon dioxide gas is generated and injected into the battery pack to extinguish the fire, and explosion of the battery pack is prevented; in addition, the branch of the water cooling system extends into the water cooling channel,water is discharged through the branch water outlet, the flow speed of circulating water can still be guaranteed under the condition that the water cooling channel is long, and the overall cooling effect is improved. 本发明涉及新能源电