Cycleway town
Join Date: Jul 2014
Location: Milton Keynes, England
Posts: 1,402
Bikes: 2.6kw GT LTS e-tandem, 250w Voodoo, 250w solar recumbent trike, 3-speed shopper, Merlin ol/skl mtb, 80cc Ellswick
Mentioned: 7 Post(s)
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A generator doesn't have to be anywhere near the power of the motor, as it's working constantly.
It does have to be adequate voltage though, so it can reach a reasonable amount of the battery's capacity.
I'd need one that kicks out 50-55v but it only needs to be able to supply about 10 amps.