To provide electronic equipment and a control method therefor wherein a power supply system can be changed according to the state of the electronic equipment to reduce power consumption.

The electronic equipment is provided with a power supply, a voltage conversion circuit that converts the voltage of the power supply into other voltage levels, an electronic device that operates on the other voltages, and a power-saving means that exercises control so as to stop at least part of the device or interrupt application of power from the power supply. The electronic equipment, if it is provided with a power storage portion and a regulator means, stops the regulator and switches power supply and supplies the load circuit thereof with power from the power storage portion. In addition, the electronic equipment stops switch accepting operation and operation of outputting internal information for testing.