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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...
red31's avatar
red31
Explorer
Mar 26, 2019
BFL13 , at night my load terminal come on when panel voltage drops below 8v. I've set it to 6v in the past (to delay the start of my landscape lights). In short I have not measured my input voltage from the panel at night but expect them to be below 8v for the load terminal to activate. 8v would be plenty to operate a low wattage 12v fan slowly.

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