Fuel Cell Powers Flash

Canon is currently undertaking the task to power not only its digital cameras with fuel cell technology, but lenses and hotshoe flashes as well. Excerpts of the patent description is as follows :-

The present invention relates to an electronic equipment system having fuel cells, and more particularly, to a camera system in which fuel cells are provided to a camera body and a connection device connected to the camera body…dual battery control of detecting a remaining amount of the battery in each of the devices and determining the state of each of the batteries to control electric power supply, which makes the battery control complicated.

Well, that means no more lugging around heavy reserves of AA batteries whenever you travel away from home!