Bubbling Battery

January 28, 2013
Filed under RV Tech Q&A

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This is in regard to “Battery Exploded” from Bobby Ratliff in the September 2012 issue. Your reply stated, “Weak or old batteries, particularly with faulty cells, tend to outgas even more.” About a year ago, I purchased and installed four 6-volt golf cart batteries made by a well-known manufacturer. Three of these gas as expected, a slight mist, but the fourth one literally bubbles over constantly. These are watered as specified by the manufacturer. Twice I inquired to its customer service department, the reply is that is normal. Could this be a faulty cell?
Harold Watson l Ponca City, Okla.

Definitely, Harold. I would suspect one bad cell or more. Test them with a hydrometer and look for significant variations between cells. They can also be load tested. A bad battery will show right up compared to the others.
– Ken Freund


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