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Answers : Technology

how to make a dynamo battery charger?

i settled on using my old drill as a generator but the power just goes into the drill instead of the batterys do i need a diode and what sort?
by the way the drill is 12.5v

3 answers	Answer it!

Oct 15, 2009. 8:55 AM

Re-design says:

YOu have to use a diode in line with the battery to prevent the powerthat you're trying to force back into the battery from pushing it's wayback out and trying to make the generator into a motor.