re: Pic added for illiterates;Electricians: can I change a 6 volt motor

quote:

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If you want longer run time, just add a second 6V battery, + to + and - to -. That would boost power some and longer run time.

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I think this is all you can do. Increasing the voltage would cause it to pull less amps. I'm straining to remember my electrical engineering classes, but I think that what the result would be. Less current will cause the motor to run incorrectly.