Cerbo GX

There seems to be a 'buffer' on my Roamer 230, it never hits 100%, the maximum is 222Ah out of 230, the xs says 99%max, even with good solar input today. No shunt, no ignition feed.

View attachment 279284
I may remove the ignition feed and bridge out the Orion. Worries me about the warning 'will mean it takes the engine is running permanently' and I end up with a flat starter again. Can't justify the Ablemail at the minute as I just bought the all singing Team Blue kit and the Renogy stuff seems bulletproof in comparison at the minute 😳
 
I may remove the ignition feed and bridge out the Orion. Worries me about the warning 'will mean it takes the engine is running permanently' and I end up with a flat starter again. Can't justify the Ablemail at the minute as I just bought the all singing Team Blue kit and the Renogy stuff seems bulletproof in comparison at the minute 😳
Do you not fancy a poxy little 180 panel, with an AMT12-2? No battery anxiety!
 
OK. After connecting the Roamer CAN-bus lead to the battery, @Drive Wayne took my time and was careful and no breakages ;).
Now I am having trouble setting the CErbo up to use the information supplied by the Roamer battery.

The instructions I have been give (from Roamer) are:

"
Once connected, go to System Setup inthe cerbo, and select the shunt as the battery monitor.
Go then to DVCC and at the bottom select the roamer BMS as the controlling BMS.

This will display the shunt SOC, but still use the battery data for charge control. :)"

However I am getting stuck at the DVCC bit as I don't seem to have an option to select the Roamer BMS:FDEFA037-5F76-4E43-9DF5-3AD40F6F2634_1_105_c.jpeg
Toggle the switch I get:
B2BF0D70-9D22-40DC-9944-7BBF1B68D01D_1_105_c.jpeg

:(
Any suggestions anyone?
 
OK. After connecting the Roamer CAN-bus lead to the battery, @Drive Wayne took my time and was careful and no breakages ;).
Now I am having trouble setting the CErbo up to use the information supplied by the Roamer battery.

The instructions I have been give (from Roamer) are:

"
Once connected, go to System Setup inthe cerbo, and select the shunt as the battery monitor.
Go then to DVCC and at the bottom select the roamer BMS as the controlling BMS.

This will display the shunt SOC, but still use the battery data for charge control. :)"

However I am getting stuck at the DVCC bit as I don't seem to have an option to select the Roamer BMS:View attachment 279299
Toggle the switch I get:
View attachment 279300

:(
Any suggestions anyone?
Jon,
I haven't got a shunt and didn't use DVCC. I'm dead to you mate.... glad you didn't break the pins in that Roamer cable though, I genuinely thought I had, but it worked.
 
Jon,
I haven't got a shunt and didn't use DVCC. I'm dead to you mate.... glad you didn't break the pins in that Roamer cable though, I genuinely thought I had, but it worked.
Don't you need to use the DVCC to get all the info from the Battery?
 
Every time you drive your van it will charge your LB to close to 100%. With your shunt it gives you too many clocks in the room! Which one is right! I don't want more than one clock!
Because I have seen my shunt and the BMS be 40% different (or more). I’d rather use the more accurate clock in the room, which is the shunt.
 
Right more issues setting the Cerbo GX and the Roamer battery. It doesnt help that the UI setup on my GX seems totally different to the ones in the Roamer Youtube videos.

I have a Victron Cerbo GX (gen2), with a Touch 50 screen, connected to a Victron Smartshunt.
These are connected to a Roamer 230SEATBASE4 12V 230Ah LiFePO4 battery via the "Roamer CAN cable - SMART4 to Victron GX" cable.
According to Roamer I should be able to use the shunt for monitoring the state of charge, but also see other information from the battery BMS.
I have managed to get the Cerbo to use the shunt state if charge, but cant get it to display the battery info.
Below are 2 screenshots of my system and 2 comparison ones from the Roamer Youtube video for reference.

Screenshot 2025-03-21 at 16.55.31.pngScreenshot 2025-03-21 at 16.55.55.pngScreenshot 2025-03-21 at 16.53.01.pngScreenshot 2025-03-21 at 16.53.14.png
 
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