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Old 12-10-2011, 10:42 AM   #1
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Can i use my shorepower if batteries aren't onboard

Hi All,

Probably a silly question to some of you, but can i use shorepower without the batteries hooked up. It is below freezing here in BC and I want to go check on the trailer. I would like to bring my Honda Eu2000 and plug in the genny to check a few things. I have the batteries off the trailer and put away for the winter season and do not want to reinstall them if it isn't necessary. I have a Rockwood 2701. I assume I don't need the batteries as I think they are completely out of the loop when you use shorepower?

Thanks in advance


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Old 12-10-2011, 11:08 AM   #2
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You should be able to do just about anything the exception being operating the slide-out. I had the same question a while back and contacted WFCO. Here is the thread,

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Old 12-10-2011, 12:48 PM   #3
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I do it a lot with no adverse consequences.
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Old 01-12-2012, 05:02 AM   #4
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I just purchased a new Sabre 31 RETS and during the PDI I was told that you can use shore power without the batteries on board BUT it will shorten the life and may damage the converter. I say always have your battery in place and hooked up. Just what they told me.
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Old 01-12-2012, 06:21 AM   #5
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So take your battery with you, hook it up, run the genny and do what you want to do, then unhoook the battery and take it home with you. No matter how far below 0 it might be the battery will be fine because of the charge going into it from the converted. The main issue with running shore power with no battery is if you fail to ensure the battery cables are not touching in the battery box. If they are it will act as a dead short and burn out the converter.

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Old 01-12-2012, 07:37 AM   #6
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If your worried about the dead short lindy is talking about, pull the battery fuse.
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Old 01-12-2012, 11:35 AM   #7
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Pick-up a battery boost / jump start box. Very handy to have around, plus it can be used in place of your TT battery(ies) for wintertime jack adjustment, slide use, or short-term lighting use. Can be found on sale often for as little as $30.

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