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Does anyone know how to make a 12v fan charge a battery? (media.scored.co)
posted 1 year ago by Weematanyeh on scored.co (+0 / -0 / +4Score on mirror )
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JesusSupporter33 on scored.co
1 year ago 2 points (+0 / -0 / +2Score on mirror ) 1 child
Just go pull some alternators. They output way more power and sometimes have built in regulators.

I do not know how to get a fan to charge. It can be done. Theoretically the fan spinning in the wind should create a charge so I guess you'd have to capture this charge and deposit it into a battery without the charge of the battery turning the motor. Maybe a diode of some sort, so that the current will only flow one way.

I'm assuming you're working with DC. Hold on a minute, I'll draw up a diagram.

[Try this maybe.](https://oyvei.raccoons.space/2024/09/05/736231389bace27942f78cec2a851f82.png)
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Weematanyeh on scored.co
1 year ago 0 points (+0 / -0 ) 1 child
If I wire the fan directly to a 12v power tool it turns on, so its definitely putting out power already. Will the diode make the battery cease output to the fan?
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JesusSupporter33 on scored.co
1 year ago 2 points (+0 / -0 / +2Score on mirror )
Diodes only allow current to travel one way. So yes, the --battery-- (Edit: Diode) should make it so the battery won't power the fan. I'm not 100% though. I've never rigged something up with a diode. I'm more of a switch and relay enjoyer.
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