Forum Discussion

TURNKEY's avatar
TURNKEY
Explorer
Mar 24, 2019

How to power a fan only when solar is charging.

I want to run an exhaust fan from my battery compartment to vent out hydrogen during charging cycles but I don't want it to run 24/7 as I do now. I tried powering a computer fan off my panels before t...
TURNKEY's avatar
TURNKEY
Explorer
Mar 25, 2019
I'm not gonna buy a new controller just to satisfy my whim of having the fan not run at night:R

What about the voltage from the panel being high vs a battery? Could I build a voltage controlled switch?

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