Abstract: An electrical equipment system includes electrical equipment, a battery pack with a wireless communication function which is mounted to the electrical equipment, and a portable terminal wirelessly communicable with the battery pack. The electrical equipment includes a drive part, a control part which controls the drive part, an operation part which instructs start and stop of the drive part, and a storage part which stores operation parameters for driving the drive part. Various operation parameters, such as an operation amount of the operation part for starting the drive part of the electrical equipment, are configured to be changeable by a management application installed in the portable terminal.