winter camping & moisture

We have camped alot in the late camping seasons and do get some inside moisture on the windows and sometimes water dripping off the inside of the tent bed ends metal supports.

Usually all we need to do is make sure we have a fan running inside the trailer.

Never used a dehumidifier before. That would probably help but since most of our camping is off the batteries and inverter that would just be another 120VAC items we would have to deal with...

Roy Ken