ENERGY STORAGE DEVICE

The present application relates to an energy storage device. The energy storage device includes: an electrical module, where the electrical module includes an electrical cabinet provided with a receiving cavity; battery modules, where a number of the battery modules is two, the electrical module is sandwiched between the two battery modules, and the two battery modules respectively cover both ends of the receiving cavity; and first sealing members, where the first sealing members are arranged around the receiving cavity, and the first sealing members are respectively pressed between the battery modules and the electrical module to seal the receiving cavity.