Question: Is there a technique to cut an RV cover (Adco) around the solar trickle charger on the roof so it will function while covered?
Answer: Our concern would be that you might be defeating the purpose of a one-piece cover, by letting in moisture, dust, wind, etc. However since we have never covered our RV, we are posting your question to invite comments from others.
You may want to contact Adco to see if they have come across this situation. Perhaps they have suggestions or experience with how other RVers have handled similar circumstances when using an RV Cover.