A storage battery management method which is performed in a communication terminal, the storage battery management method including: performing communication with a storage battery which is an object to be managed and acquiring storage battery information on the use of the storage battery; storing the acquired storage battery information every time the storage battery information is acquired; and performing communication with a management server managing the storage battery and providing, only when accepting a request for provision of the storage battery information from the management server, storage battery information of the stored storage battery information, the storage battery information in accordance with the request for provision, to the management server.