bwpraise87 Posted July 17, 2015 Share Posted July 17, 2015 So I was wondering how many watts one can draw from a 12 volt dynamo and put into a battery. I would assume the speed of the wheel would influence the amps and then of course the volt times the amps would equal the watts. So I was wondering how fast(assuming there is not limit to human capacity) wold one have pedal to get the wheel moving and charge a 500 watt battery in 1 hour. I dont know if this matters but the wheel is 2 feet long Link to comment Share on other sites More sharing options...
swansont Posted July 17, 2015 Share Posted July 17, 2015 500 W battery? I don't think that's a valid way to rate a battery. They have a charge capacity (usually measure in amp-hours) and a voltage, which tells you an energy storage amount. Not power. Link to comment Share on other sites More sharing options...
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