On a sailboat, all my charge sources come thru an Victron ArgoFet Battery Isolator. That causes the solar controllers to not have any power at night. Once the sun comes up, the SmartSolar MPPTs do reconnect to a bluetooth network and get battery voltage as well as temp.
I have a SmartSense as well as a BMV-712-smart I can connect the solar controllers via bluetooth to. I keep the SmartSolar controllers on a separate bluetooth network, separate from the BlueSolar controllers.
The BlueSolar controllers with the SmartDongles will not, by themselves, reconnect after each night. I have to connect to each BlueSolar MPPT via the app (bluetooth connection), then the BlueSolar controllers 'wake up' and start showing a bluetooth network connection after a couple seconds.
Bug?