POWER MANAGEMENT METHOD AND POWER MANAGEMENT APPARATUS

A power management method comprises a step A of specifying a charging power supply used for charging of a storage battery apparatus, a step B of monitoring a storage capacity of the storage battery apparatus, and a step C of limiting, until the storage capacity becomes a predetermined threshold or less, the charging of the storage battery apparatus which uses a second charging power supply different from a first charging power supply when the charging power supply is the first charging power supply.