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Old 03-07-2017, 09:33 AM   #1
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Battery power loss

I just joined the group and we are the proud owners of a 2016 Jayco Greyhawk 29MV. We took it on our first trip to Florida and everything went perfect except the coach battery. It won't last 1 night of boondocking! When we got home I left only the refrigerator on and 12 hours later the battery is almost dead! My previous MH had 2 coach batteries and it would last for a couple of days. Has anyone else had similar issues? What can possibly be draining it so fast or is the battery maybe bad? Any help woul be appreciated!


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Old 03-07-2017, 10:26 AM   #2
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Is it a residential refrigerator running off an inverter? If so that will drain your battery very quickly. 12 hours sounds about right for a single battery.

If your fridge is running off propane the only other device that should be able to drain your battery that fast would be running your furnace fan a fair bit overnight.

Do you have an inverter switch so that you can turn off the inverter? Or a switch on the fridge to switch to propane?

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Old 03-07-2017, 12:12 PM   #3
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Thanks Subaru297! I think that's exactly what happened! Went out to check the fridge after I read your reply and it was not on "auto". Thanks for the tip! I guess I should have checked deeper into it but there's a lot going on with this new rig. Thanks again and take care!
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Old 03-07-2017, 12:22 PM   #4
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Welcome to the forum and glad the mystery was solved!
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Old 03-07-2017, 01:02 PM   #5
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Originally Posted by TRad View Post
2016 Jayco Greyhawk 29MV.
We're in your sibling, a 2016 31FK. It's a single Group 27 battery in there to run everything. Like you already discovered, kick the Norcold to "auto" and let it use propane when boondocking.

But bear in mind, that single battery drains pretty easily if you've got several things running.

Other Greyhawk owners have crafted ways to get a pair of batteries in there -- they won't fit in the existing tray. We curtail our boondocking and usually look for some campground with electric.

A second battery and solar would be high on my to-do list if we boondocked more.
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Old 03-07-2017, 02:10 PM   #6
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Just FYI, my 2016 Greyhawk 31FS only has a 2-way fridge and can't use the 12v battery to cool. Unless it's been modified with an additional inverter to run it, the weak battery may be another issue.

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Old 03-07-2017, 05:22 PM   #7
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Hmm. Not I'm thinking I may only have a 2 way fridge. I'll have to check. I just can't imagine why the battery drains so fast.
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Old 03-09-2017, 07:34 PM   #8
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...and WELCOME TO JOF!!! The members here are GREAT!!! There is a lot of GREAT information to be found here. I am sure that you will have information and pictures to share with us... so please do!!

Glad to see you already got a little assistance from the members, they are GREAT!!!!


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