Battery Voltage Sensor on the Renogy DCC50S should be connected to the vehicles starter battery or the house battery?

[harley]

does anybody know if the Battery Voltage Sensor on the Renogy DCC50S should be connected to the vehicles starter battery or the house battery?

 

[Samsonite801]

Seems someone asked the same question here:

Renogy DC DC Charger w/ MPPT

Randy, you are awesome! That is just how it works on the Android as well. Don't have time to get all the settings set and uploaded but I am very happy I can set it as it should be.

diysolarforum.com

Looks like house battery... (Renogy Support agent response confirms house battery in Post 356):

Renogy DC DC Charger w/ MPPT

Randy, you are awesome! That is just how it works on the Android as well. Don't have time to get all the settings set and uploaded but I am very happy I can set it as it should be.

diysolarforum.com