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2V Battery Low voltage disconnect (Reposting)

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M

muwasif

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I have started using Emerson VRLA (T2V800E/A) batteries (in series configuration) with our UPS. Voltage of one of the batteries is 0.2V, and 2.2V each of the rest of such batteries.
Please inform me whether the battery (T2V800E/A) voltage of 0.2V is within safe limit.
 

The low battery is in danger of being driven into reverse voltage by the good batteries. This will not be good for it.

You should remove it and check it individually. Examine it all around for broken seals and oozing liquid.

Test its ability to hold a charge. Test its ability to put out the amount of amps your equipment will draw from it.

Better still, check all the cells. Since one is dubious there might be others too.
 

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