Canon is currently working on developing fuel cells for DSLRs, where a new patent application will solve the problems of supplying fluctuating current from the cells. Canon decided to ditch the traditional method of using just one fuel cell (or an entire bank) working in tandem, but will instead operate somewhat like an inkjet printer with a handful of fuel cells outputting varying degrees of voltages which

can later be mixed and matched. that enables high-draw operations like mirror-flipping or flash charging to obtain the essential ability mandatory. Well, it would be nice to see that technology trickle down to everyday point-and-shoot cameras in the end as well.

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Original post by Ubergizmo