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Old 11-07-2014
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DonB DonB is offline
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Join Date: Jan 2008
Location: Eureka
Posts: 4,303
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Sounds like there was no charging from the engine to the House batteries. Your house batteries dropped during the drive, and the charger went into an extended Bulk at 14.4 or so volts and that was pumped to the engine batteries. I had similar boiling of one battery last year at Q because the bulk charge was lengthy - a new battery solved the problem for now. My house batteries do charge from the engine, so it was strictly a boondocking/generator issue.
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Don Bradner
Current: No RV at this time
2015 Jeep Grand Cherokee
Prior: 2004 M380 Double Slide
Prior: 1990 WB40 "Blue Thunder"
My location: www.bbirdmaps.com/user2.cfm?user=1
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