ENERGY STORAGE DEVICE, PHOTOVOLTAIC ENERGY STORAGE SYSTEM, AND CHARGING NETWORK

An energy storage device, a photovoltaic energy storage system, and a charging network, and relates to the field of energy technologies. The energy storage device includes a heat management module, a battery module, a power module, and a heat sink module. The heat management module includes a housing, and a valve body assembly, a first evaporator, and a condenser that are disposed in the housing. The housing includes a plurality of coolant interfaces. Two coolant ports of the first evaporator are connected to the valve body assembly, and two coolant ports of the condenser are connected between the valve body assembly and one coolant interface. The battery module includes a first heat exchange plate, the power module includes a second heat exchange plate, and the heat sink module includes a heat sink.