元の名称記録: TOYO SYSTEM CO., LTD.

When voltage of a power storage unit is a predetermined upper limit value or less while one or more activation device units are executing a discharging process, a power conversion and control unit of an activation system for secondary batteries executes first control to charge power released from the activation device units to the power storage unit, while when the voltage is a predetermined lower limit value or more while the one or more activation device units are executing a charging process, the power conversion and control unit executes second control to supply power of the power storage unit to the activation device units executing the charging process.