pianotuna

Regina, SK, Canada

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Joined: 12/18/2004

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Ranger Tim,
It depends on the converter. Some require a battery to act as a filter to "clean up" the output. (ripple)
Regards, Don
My ride is a 28 foot Class C, 256 watts solar, 556 amp-hours of Telcom jars, 3000 watt Magnum hybrid inverter, Sola Basic Autoformer, Microair Easy Start.
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3 tons

NV.

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Joined: 03/13/2009

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pianotuna wrote: Ranger Tim,
It depends on the converter. Some require a battery to act as a filter to "clean up" the output. (ripple)
Interesting, first I’ve ever heard of AC ripple significantly impacting dc service in a camper (how so??) - definitely not the case with either my PD or Xantrex converter-charger…Are you sure this is not ‘yet another’ outlier myth issue??
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StirCrazy

Kamloops, BC, Canada

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Joined: 07/16/2003

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pianotuna wrote: Ranger Tim,
It depends on the converter. Some require a battery to act as a filter to "clean up" the output. (ripple)
filtered dc output is now on the circuit boards so anything with a decent power center doesn't need a battery for that function anymore. My 1991 slumber queen had an old parallax and worked how you are thinking but it will also kill batteries in no time flat due to the single stage charging. now it has a modern PD4000 series power center with filtered dc
2014 F350 6.7 Platinum
2016 Cougar 330RBK
1991 Slumberqueen WS100
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3 tons

NV.

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StirCrazy said: “filtered dc output is now on the circuit boards so anything with a decent power center doesn't need a battery for that function anymore.”
Got it, thanks for the additional insight
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Ranger Tim

Idaho

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Joined: 02/08/2004

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I looked it up in the online manual. It says, “ A battery DOES NOT have to be installed for WF-8900-AD-MBA Series Main Board Assembly to operate.” So a disconnect switch would give me peace of mind that the batts would not get overcharged sitting at home plugged in. As for why I think I need this much battery storage? When we are out in the backcountry in Idaho we need it. We rarely visit campgrounds with hookups. Usually we spend two to three weeks at a time, depending on how much work leave is available. I don’t share any bias for or against those who boondock or not and believe that RV’s should operate properly and as expected or we should hold the manufacturer accountable. How responsible they are is an important part of our conversations here.
I’ll let you know if my batts are hurt by the WFCO converter.
Ranger Tim
2006 F-350 Super Crew King Ranch SRW Bulletproofed
2016 Wolf Creek 840
Upper and Lower StableLoads
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StirCrazy

Kamloops, BC, Canada

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Joined: 07/16/2003

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Ranger Tim wrote: I looked it up in the online manual. It says, “ A battery DOES NOT have to be installed for WF-8900-AD-MBA Series Main Board Assembly to operate.” So a disconnect switch would give me peace of mind that the batts would not get overcharged sitting at home plugged in. As for why I think I need this much battery storage? When we are out in the backcountry in Idaho we need it. We rarely visit campgrounds with hookups. Usually we spend two to three weeks at a time, depending on how much work leave is available. I don’t share any bias for or against those who boondock or not and believe that RV’s should operate properly and as expected or we should hold the manufacturer accountable. How responsible they are is an important part of our conversations here.
I’ll let you know if my batts are hurt by the WFCO converter.
one more thing you could check is if you have the sheet for your actual power center is if it says filtered DC output as a feature. It's not so much the converter you're worried about but any electronics that use DC power. if it is a reasonably new rv (last 10 years) your probably good.
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