Abstract: Provided is a battery management system including: a battery management device, disposed on a mobile vehicle, for measuring battery information from a battery; a cloud server device for collecting the battery information from the battery management device and storing the battery information, and for, based on determination condition and service command of pre-registered battery management service, if it is determined that there exists battery information matching the determination condition, controlling a resulting information to be created from the extracted information in accordance with the service command; and a terminal device for receiving and outputting the resulting information.