Well, add me to the list. And after a lot of troubleshooting it has to be a Ring software issue. Got a pair of Spotlight Cams and Solar Panels from Ring. Tried installing the first one and got the message. Then tried all possible combinations of cams and panels. Tried resetting - same result. Then I found this thread.
I have a Ring Doorbell 2 and two stick up cams on solar panels that have worked for ages (in addition to the new Spotlight cam I put in today that made me notice the problem message). They ALL now have the same message (“Add a Ring solar panel to extend battery life”). This is obviously a Ring software problem. I don’t understand why they don’t just acknowledge it. Ring support has always been very good. I’d just like to know if they will admit what is going on and tell us that they are working on it.