Battery charge
Hi everyone, just purchased my first RV (5er). I plan on dry camping 90% and was surprise to notice how fast my batt charge drops after i disconnect shore line, all with no power turned on(about 20hrs...
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If I understand your post the battery was new in 2004 that means the battery is 9 years old. I would believe that the battery is sulfated (bad) by now. I would charge it to 100% disconnect the neg cable check it with a volt meter after 24 hrs rest it should be 12.7 v or so. Then check it the same time in the following days for a week it should still read full or near full. To see what your parasitic drain is set you multi meter on 10 amps scale and measure between the neg post of the battery and the neg cable. Mine is about .4 amps just to give you a reference.
