A patent has been filed by Canon for a technology that uses fuel cells to power dSLRs instead of the conventional lithium-ion batteries.
For those not familiar with fuel cells, they are often mentioned as a greener alternative power source, with some cars already running on it. Another interesting fact is that, unlike traditional batteries that supply a constant voltage, the current will fluctuate in accordance to the device's needs.
What this means for Canon is that its cameras, if powered by fuel cells, can draw power from the source more effectively, leading to a longer-lasting battery while at the same time saving Earth.
(Source: Crave Asia)
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