First, welcome to iRV2!
Second, your question is one that is asked often. The best way to search for answers is to use the green "powered by Google" search box in the page banner. Here are the results you get if you enter the terms "CRV," "battery" and "dead":
After you read several of the posts and threads, you'll find out that the two most common fixes, as "txcpl" mentioned, are to increase the battery size and to add a charge line between coach and toad.
Finally, you should add a "signature" to your user profile. It will tell others about your coach, so you won't have to type that into your posts. Here are instructions
on how to add a signature.