Energy storage device

The embodiment of the utility model provides an energy storage device, the energy storage device comprises a cabinet body, an energy storage member, a charging gun and a cable, the outer surface of the cabinet body is provided with an air port and a wire outlet hole, the air port comprises an air inlet, and the air inlet is used for air flow to enter the cabinet body; the energy storage part is arranged in the cabinet body; the charging gun and the outer surface of the cabinet body can be separately configured; a part of the cable is located outside the cabinet body, one end is electrically connected with the charging gun, the other end enters the cabinet body through the wire outlet hole to be electrically connected with the energy storage part, and at least part of the cable passes through the air inlet. According to the energy storage device provided by the embodiment of the utility model, the cable at least passes through the air inlet, so that the cable can be directly radiated and cooled through airflow flowing through the air inlet, the airflow exchanging heat with the cable is normal-temperature airflow from the outside, and the heat exchange efficiency can be improved; the air openings are formed in the surface of the cabinet body, the overall outline size of the energy storage device is reduced, and the adaptability of the energy storage device is improved.