My house battery that came on my Thor Class C, died on 5/7/18. Checked voltage and 12v. Checked next day: 11.66v. It was group 27. Bought RV on 5/20/17. Bought a new AGM Deep Cycle RV Battery 92AH on 5/8/18. Great Battery. 4 year full replacement. An XR2 Battery.
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