Opzv battery leak

[Alms88]

What are the possible cause of leaking of opzv batteries
I have battery bank with opzv 200 powersafe enersys.

 

[IRstuff]

Have you inspected it?

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[Alms88]

Yes
Inspected , vapour leakage throuhh vent caps ,

Not through palatic jars or terminal seals,

But this vapour is colourless and once condensed become clear liquid in battery rack and battery surface the later yellowish stains

 

[jfpe]

Is your charging voltage correct? Could it be too high?

-JFPE

 

[3DDave]

It appears to be lead-acid technology, so the electrolyte is probably being boiled off.