A storage battery management system including a plurality of storage batteries (10, 20) and a plurality of converters (12, 22) respectively being configured to control input currents of the storage batteries, wherein the input currents are at least either one of charging currents and discharging currents, the storage battery management system comprising: a controller that is configured to calculate a total current command value, which is the total command value of a plurality of input current command values, for controlling the input currents of the storage batteries (10, 20); and a distributor that is configured to generate the plurality of input current command values from the total current command value calculated by the controller, wherein the distributor is configured to assign the input current command values to the converters (12, 22) in accordance with a preset rule and provide the input current command values to the converters (12, 22), wherein the total current command value is one of different types of total current command values; the controller includes: a plurality of control functions that is configured to respectively generate the different types of total current command values, and a switch that is configured to switch the control functions, the switch is configured to switch the control functions in accordance with a control function requested for the storage batteries (10, 20); and the distributor is configured to receive the total current command value generated by one of the control functions, and generate the plurality of input current command values assigned to the converters (12, 22) from the received total current command value, wherein the control functions include at least two of an output voltage control function that is configured to control an output voltage of the storage batteries (10, 20) to be constant, a reverse flow restriction function that is configured to restrict reverse flow when the storage batteries (10, 20) operate in coordination with a system power supply, a constant current charging control function that is configured to charge the storage battery (10, 20) with a constant current, and a rapid charging function that is configured to control rapid charging of the storage battery. a controller that is configured to calculate a total current command value, which is the total command value of a plurality of input current command values, for controlling the input currents of the storage batteries (10, 20); and a distributor that is configured to generate the plurality of input current command values from the total current command value calculated by the controller, wherein the distributor is configured to assign the input current command values to the converters (12, 22) in accordance with a preset rule and provide the input current command values to the converters (12, 22), wherein the total current command value is one of different types of total current command values; the controller includes: a plurality of control functions that is configured to respectively generate the different types of total current command values, and a switch that is configured to switch the control functions, the switch is configured to switch the control functions in accordance with a control function requested for the storage batteries (10, 20); and the distributor is configured to receive the total current command value generated by one of the control functions, and generate the plurality of input current command values assigned to the converters (12, 22) from the received total current command value, wherein the control functions include at least two of an output voltage control function that is configured to control an output voltage of the storage batteries (10, 20) to be constant, a reverse flow restriction function that is configured to restrict reverse flow when the storage batteries (10, 20) operate in coordination with a system power supply, a constant current charging control function that is configured to charge the storage battery (10, 20) with a constant current, and a rapid charging function that is configured to control rapid charging of the storage battery. a plurality of control functions that is configured to respectively generate the different types of total current command values, and a switch that is configured to switch the control functions, the switch is configured to switch the control functions in accordance with a control function requested for the storage batteries (10, 20); and the distributor is configured to receive the total current command value generated by one of the control functions, and generate the plurality of input current command values assigned to the converters (12, 22) from the received total current command value, wherein the control functions include at least two of an output voltage control function that is configured to control an output voltage of the storage batteries (10, 20) to be constant, a reverse flow restriction function that is configured to restrict reverse flow when the storage batteries (10, 20) operate in coordination with a system power supply, a constant current charging control function that is configured to charge the storage battery (10, 20) with a constant current, and a rapid charging function that is configured to control rapid charging of the storage battery.