A charging and discharging control apparatus comprising: a control unit including: a first control unit configured to execute first charging and discharging control to control charging and discharging of a battery by transmitting instructions to a charging and discharging unit to execute charging and discharging of a battery, the first charging and discharging control being a normal charging and discharging control; and a second control unit configured to execute second charging and discharging control to control charging and discharging of a battery by transmitting instructions to the charging and discharging unit to execute charging and discharging of the battery with a temporal change of a charging rate being less than a temporal change of a charging rate of the first charging and discharging control; and a state detecting and evaluating unit connected between the battery and the control unit, the state detecting and evaluating unit configured to detect and evaluate a state of the battery, wherein the state of the battery includes at least one of a voltage value, a temperature, a charge integrated capacity, and a discharge integrated capacity of the battery, wherein the second charging and discharging control is executed when a detection result of the state of the battery satisfies a specific condition, wherein the first charging and discharging control is executed when the detection result of the state of the battery does not satisfy the specific condition, wherein the second charging and discharging control comprises conducting open circuit voltage measurement of the battery so that intermittent discharging control is performed that repeats discharging control and open-circuit voltage measurement control alternately. a control unit including: a first control unit configured to execute first charging and discharging control to control charging and discharging of a battery by transmitting instructions to a charging and discharging unit to execute charging and discharging of a battery, the first charging and discharging control being a normal charging and discharging control; and a second control unit configured to execute second charging and discharging control to control charging and discharging of a battery by transmitting instructions to the charging and discharging unit to execute charging and discharging of the battery with a temporal change of a charging rate being less than a temporal change of a charging rate of the first charging and discharging control; and a state detecting and evaluating unit connected between the battery and the control unit, the state detecting and evaluating unit configured to detect and evaluate a state of the battery, a first control unit configured to execute first charging and discharging control to control charging and discharging of a battery by transmitting instructions to a charging and discharging unit to execute charging and discharging of a battery, the first charging and discharging control being a normal charging and discharging control; and a second control unit configured to execute second charging and discharging control to control charging and discharging of a battery by transmitting instructions to the charging and discharging unit to execute charging and discharging of the battery with a temporal change of a charging rate being less than a temporal change of a charging rate of the first charging and discharging control; and a state detecting and evaluating unit connected between the battery and the control unit, the state detecting and evaluating unit configured to detect and evaluate a state of the battery, wherein the state of the battery includes at least one of a voltage value, a temperature, a charge integrated capacity, and a discharge integrated capacity of the battery, wherein the second charging and discharging control is executed when a detection result of the state of the battery satisfies a specific condition, wherein the first charging and discharging control is executed when the detection result of the state of the battery does not satisfy the specific condition, wherein the second charging and discharging control comprises conducting open circuit voltage measurement of the battery so that intermittent discharging control is performed that repeats discharging control and open-circuit voltage measurement control alternately.