[prairieschooner]

We have a Blue Sky Boost 2000. The problem COULD be that not all Charge Regulators shut down completely. Most have say a 3 Stage but with the Float Stage they still put some charge into the Batteries, to shut down completely is not common...just saying ................... still not sure. That is why I pay attention and manage the charge myself.
Good Luck! but I still watch the Meters and TRY to manage the Charge, something that I have done for the past 30 years or so living aboard our boat.