question

allswell avatar image
allswell asked

Flooded lead acid battery bank rose to 44c while charging. VE Config not saving temp compensation.

Yikes! That's hot. Is this something I should worry about? The room the batteries are in also houses our generator (extremely well ventilated building an forced commercial fan air circulation on at all times while the generator is running). So when we charge, the room heats up because of the heat from the generator running.

Is this kind of a temp nothing to worry about?

I have a 24v bank of twelve Rolls fla's: 6v 235ah batteries wired in 3 sets of 4 in series and then those 3 sets wired in parallel to make a bank of 24v 705ah. I have tried to change the temperature compensation in the VE Configure to be the -48mv/deg that the batteries require but VE Config will not allow the change to be saved for some reason. Not sure what I'm doing wrong!

I was able to change it in Victron Connect bluetooth app though... is that enough?

Thanks Community


screen-shot-2022-11-19-at-83423-am.png



This was the temp in the room as the charge began:

screen-shot-2022-11-19-at-83857-am.png



This is what the room temp rose to:

screen-shot-2022-11-19-at-83915-am.png



battery chargingVEConfigure 3temperature compensation
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Alexandra avatar image Alexandra ♦ commented ·
@Allswell

Are you using STS in DVCC?

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allswell avatar image allswell Alexandra ♦ commented ·

Just checked in my DVCC and it would seem I am. I have that setting on. Is there something else that corresponds to it that I need to set up?

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1 Answer
snoobler avatar image
snoobler answered ·

If you're actually running the batteries at elevated temperature, you're going to shorten the life of your batteries by a good measure:


https://support.rollsbattery.com/en/support/solutions/articles/246381-flooded-battery-capacity-temperature



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