Energy storage system, control method thereof, device, electronic device, and storage medium

An energy storage system, which comprises:

• M battery devices (1) interconnected and a communication network (2), where a battery device (1) comprises a positive electrode (1A) and a negative electrode (1B), and a battery device (1) comprises a storage battery (11), a controller (12), a first switch module (S1), and a second switch module (S2);
• and M controllers (12) are configured to communicate with each other via the communication network (2), where M is a natural number, M≥2;
• a positive pole of the storage battery (11) is connected to a first terminal of the first switch module (S1), the positive electrode (1A) and a first terminal of the second switch module (S2) are both connected to a second terminal of the first switch module (S1), and a second terminal of the second switch module (S2) is connected to a negative pole of the storage battery (11);
• the controller (12) is configured to control connection and disconnection between the first terminal of the first switch module (S1) and the second terminal of the first switch module (S1) and control connection and disconnection between the first terminal of the second switch module (S2) and the second terminal of the second switch module (S2).