System and method for battery management

A method for managing a battery, the battery being arranged inside a housing together with more than three monitoring devices that are configured to monitor the battery and acquire battery monitoring information that includes information indicating a state of the battery, a controller being configured to perform wireless communication with two of the monitoring devices and execute a predetermined process based on the battery monitoring information of each of the monitoring devices, the monitoring devices and the controller performing wireless communication via a communication path from the controller through each of monitoring devices to the controller, the method comprising:

• transmitting a request signal from the controller to a receiving device that is one of the monitoring devices, the request signal being a signal requesting for transmission of the battery monitoring information;
• transmitting the battery monitoring information of all the monitoring devices to the controller from a transmitting device that is one of the monitoring devices different from the receiving device;
• transmitting the request signal from the receiving device to a far device that is one of the monitoring devices different from the receiving device and the transmitting device and is farther from the controller than the receiving device and the transmitting device are;
• and
• transmitting the battery monitoring information from the far device to the transmitting device in response to the received request signal.