POWER SUPPLY UNIT FOR AEROSOL INHALER, AEROSOL INHALER, POWER SUPPLY CONTROL METHOD OF AEROSOL INHALER, AND POWER SUPPLY CONTROL PROGRAM OF AEROSOL INHALER

A power supply unit for an aerosol inhaler includes: a power supply that is able to discharge power to a load for generating an aerosol from an aerosol generation source; and a control unit that is configured to control at least one of charging and discharging of the power supply such that the power supply does not become one or both of a fully charged state and a discharging termination state.