Provided in the embodiments of the present application is an
energy storage system. The
energy storage system comprises a first compartment, a first battery device, a second compartment, a second battery device, and a control module. The first compartment accommodates the first battery device, and the second compartment body accommodates the second battery device. The first compartment body and the second compartment body are stacked in the height direction, the dimension of the first compartment body in the height direction and the dimension of the second compartment body in the height direction being both less than the dimension of a standard container in the height direction. The control module is used for electrically controlling the first battery device and the second battery device. The first compartment body comprises a first sub-compartment and a second sub-compartment, the first sub-compartment and the second sub-compartment being arranged in the length direction of the first compartment body. The first battery device is accommodated in the first sub-compartment, and the control module is accommodated in the second sub-compartment. Such an
energy storage system reduces the space waste of the first compartment and the second compartment in the height direction and reduces the space occupation of the control module in the height direction, thereby improving the volumetric
energy density of energy storage systems.