MANAGEMENT DEVICE, VEHICLE MANAGEMENT SYSTEM, VEHICLE MANAGEMENT METHOD, AND RECORDING MEDIUM IN WHICH PROGRAM IS RECORDED

A battery management device of a vehicle management system is installed at a vehicle and provided in a battery pack that houses a battery, the battery management device including: a voltage sensor that detects a voltage value of the battery; a current sensor that detects a current value of the battery; and a battery monitoring integrated circuit that is communicably connected to the voltage sensor and the current sensor and outputs, to a battery control device, a signal representing the voltage value acquired from the voltage sensor and a signal representing the current value acquired from the current sensor.