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Has anyone created a fuel cell big enough to run a laptop on? Answered

I have a 12 year old Dell laptop that I want to be able to use when it's not feasible to plug into the wall. I like the solar power chargers but I think the concept of a fuel cell is intriguing. Any help?

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why yes look at this the small one wold be perfect only bad thing is you have to buy catrages but ged 3 or 4 and you have 10 days worth of power wach the whole vidoe

Also, I have seen a couple of small units designed for fitting to RC cars, which would have a size and output suitable for replacing a laptop battery, with a single cylinder of fuel being very roughly equivalent to a 3000 to 6000mAh battery.

Another thing to consider is what to do with the exaust and heat generated.

Oh yes massive fuel cells can be made - at a price.

People have created fuel cells big enough to run small cities on. But I don't think that's what you're asking...