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Old 05-19-2014, 10:06 AM   #1
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12v battery not charging from shore line power

We have a 2013 294BHS Jayswift travel trailer on a seasonal site. We are having issues with the battery losing its charge within 8 to 10 hours. It is a brand new battery and it is charged at 98% when we put it back on.

We have 15 amp service only for shoreline power. We are new to the RV owning and not sure what we are doing wrong. I read alot on the electrical system on different sites but not sure what we can do to stop dealing with the battery losing its charge all the time. We thought it was the 15 amp service not having enough juice to get the battery charged on the trailer.??

Any help is appreciated.
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Old 05-19-2014, 11:15 AM   #2
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Not real sure just what problem you are having unless your converter isnt working but when I am pluged into a 15 amp circuit when my trailer is at home and I dont have any problem my battery charges but when I am pluged in all my lights work off the converter and fridge and microwave and Tv work off the 15 amp shore power I can't run my AC but can use everything else.
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Old 05-19-2014, 11:22 AM   #3
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I'm assuming that you are disconnecting shore power to deterime that the battery life is only 8-10 hours, if that's the case, then at least we know the inline fuse is OK.

You said that it's charged up to 98% when you start. Again assuming that you are charging from the converter in the TT.

What are you using to determine its at 98%?

What kind of load are you running when on DC power?

Do you have an Inverter?
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Old 05-19-2014, 11:23 AM   #4
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thanks for the response. Do you know where the convertor would be located in the trailer.
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Old 05-19-2014, 11:27 AM   #5
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Mine is located in bedroom under a cabinet at the floor its a black cover that is about 10 inches high and about 12 inaces long. mine went bad after only having trailer about a month.
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Old 05-19-2014, 11:27 AM   #6
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the battery drains to about 5% or less and we then charge it with the battery charger and then put it back on. It is good for about 8 to 10 hours and drains again, we had the battery tested at leisure days (Deka Marine battery) and they advised nothing is wrong with the battery, very frustrating as it usually drains at night. I thought it was the radio but we unhooked it for the weekend and the battery still drains
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Old 05-19-2014, 11:29 AM   #7
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1) Black is positive white is neg.. if miswired it will kill the battery fast
2) check fuses at the battery
3) check the inverter for output
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Old 05-19-2014, 11:32 AM   #8
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we thought the 15 amp shoreline service wold not allow he battery to be charged when the hydro is being used for lights, fridge etc. It sucks as we have to bring our food home every time as the fridge wont run on gas alone ( i think ) as we left last weekend, went back this weekend and the battery was dead again no power to the fridge. ARGH!!!
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Old 05-19-2014, 11:34 AM   #9
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sorry inverter? where is this, i know i sound stupid!! all new to this RVing thing
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Old 05-19-2014, 11:38 AM   #10
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if you are pluged into shore power you should be able to run everything but your AC so your fridge should be running on the 15amp circuit unless there is a breaked tripped at your converter your fridge switch should be set ether to ac or to auto.
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