I have a Multiplus 2x120 and a smart shunt connected to a Cerbo.
When I go into the console on the Cerbo and drill down into the Multiplus the State of Charge always shows –%
Shouldn’t it get the State of Charge from the Cerbo, which gets it from the Smart shunt?
I do not have Enable Battery Monitor selected in the Multiplus settings as I was under the impression this was not for a smart shunt. Am I wrong on that?
The second question is on getting the Multiplus to equalize at the proper voltage.
Absorption voltage spec is 14.82v and for equalization it’s 16.2v but it never gets there. How can I set the equalization voltage to 16.2v?
Use Equalization is not enabled because I don’t have ‘traction’ batteries (whatever those are). I have Trojan T-105 wet cells.
I think these are the last two issues I have left, it would be nice to case them. Many thanks in advance!
Thank you - that seems to have fixed the Multiplus reporting SOC
On the Equalization issue, it says this is for tubular plate traction battery curve. I don’t have that, I have normal deep cells (Trojan T105). Is it safe to use that setting even if I don’t have that type of battery?
I found that even without that option selected I could still force a manual equalization in Cerbo and it worked…but it only got up to around 15.5v - not the 16.2 it’s supposed to get to. But there seems to be no place to set that value in the charger section.
On a 12v system it in the manual it basically says it will only raise is by 1v above absorption on a 12v system.
Do your batteries require equalisation in their recommendations?
Wet/flooded cells can be equalised. It is usually disabled for other battery types.
Then there is temperature compensated charging as well. So it doesn’t always have to hit the voltage.
I wish Victron allowed us to set ALL the voltages, including the absorption voltage. To me, this only makes sense.
These are wet cells and the manufacturer says they should be equalized when the specific gravity has a variance when fully charged.
My temperature cable failed, I have another coming shortly and it’s good you brought that up because they would equalize at a lot higher voltage because it’s winter here now.