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...
wanderingaimles's avatar
wanderingaimles
Explorer
Mar 24, 2019
Maybe a small 12 volt battery and 10 watt solar panel just for the fan.
Since that separate circuit would only charge when the panel gets light it should largely mirror the main system and only power the fan when the main system needs it.

About Technical Issues

Having RV issues? Connect with others who have been in your shoes.24,190 PostsLatest Activity: Jan 23, 2025