SMART4 battery settings for use with Victron DVCC

This article will be a quick introduction into the world of DVCC and how Roamer batteries work to control the charging system to optimal effect.

Connecting the Roamer SMART4 battery is simple, we've got a guide here for this.
In short, connect the Roamer to Victron GX CANbus cable (round end) to the middle of the three communications ports on the battery.

When conected to the battery via the App, you'll need to head over to the Settings page, and toggle on the "Float Charge" option.
In order to change the settings, you will need to enter the password "638203".

BMS-CAN

Connecting the cables into the GX device is simple. If you have a BMS-CAN connection on your GX device, simply plug in the Roamer to Victron GX CANbus cable (square end) into one of the BMS-CAN ports, and install a CAN terminator in the other port.
The CAN terminators come with your GX device and look like this:

VE.Can

If you don't have a BMS-CAN connection on your GX device, you can opt to use the VE.Can port instead, and change the function within the software. Simply plug in the Roamer to Victron GX CANbus cable (square end) into one of the VE.Can ports, and install a CAN terminator in the other port.
The CAN terminators come with your GX device and look like this:

See the looped GIF below to see how to change the port function on your GX device touchscreen or VRM Remote Console.

You might need to select the Roamer SMART4 battery as the "battery monitor" on your GX device. To do this, simply follow the GIF below.