Powerful Homemade Pedal-Driven Generator charging phone.
Published 2019-10-24
This generator is made from a geared Universal electric motor with a sprocket combined with a piece of exercise equipment, it puts out Direct Current and can do 5 amps at 12 volts (60 watts) when driven by hand and 24 volts at 10 amps (240 watts) by foot; the faster one goes the higher the Voltage and the more Current the harder it is to turn. A car USB charger works on anything from 6-24 volts and happily runs off this generator, as shown; with the addition of a diode it's a good battery charger and a great emergency power source, and any old bicycle can be cheaply converted to a powerful generator this way.
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