An electronic apparatus is provided that includes a fuel cell device, an image pickup device, a temperature sensor, and a system controller. The electronic apparatus is mobile and may be held in a user's hand while being operated. The fuel cell device controls generation of electrical power. The image pickup device is position relative to the fuel cell device and converts an image into an image pickup signal. The temperature sensor obtains a temperature from the image pickup device. The system controller configured to control operation of the fuel cell device based on the temperature from the image pickup device.