DETERMINATION DEVICE, DETERMINATION METHOD, AND DETERMINATION PROGRAM

A determination device includes an acquisition unit configured to acquire information on a state of a battery mounted on a vehicle, the information including information on a voltage value of the battery, and a determination unit configured to determine that the battery is deteriorated based on the information acquired by the acquisition unit, in a case where a frequency of prohibition of control of the vehicle using the battery exceeds a predetermined first threshold value and a voltage of the battery falls below a predetermined second threshold value.