摘要 |
According to the present invention, in a charger for charging a secondary battery, in order to solve the problem that when usage fees are settled before the start of charging to prevent the nonpayment of usage fees, the possibility arises that the usage fees will be refunded, the usage fees of the charger are settled before the charging is completed. The charger (200) has: a power supply unit (210) that supplies electric power to a secondary battery; and a settlement unit (220) that settles the usage fees for using the charger after the supply of electric power to the secondary battery has started but before the termination of charging. |