Looking to replace our batteries this year ( 5 years old). Nothing wrong just that time. Checked at General RV and was shown their wet cell ( have this type currently) replacement. A Deka battery ... ...
East Penn/Deka makes several types of batteries built to the specs of the label. Not all of their batteries are equal. The lower priced Deka batteries will not last as long as the more expensive Deka batteries. I have four 6 volt Deka AGM batteries that are going on 6 years old and are still in great shape.