replacing chargr/converter with smart charger - Page 3 - Fiberglass RV


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Old 12-05-2012, 12:11 PM   #29
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Quote:
Originally Posted by Kenny Strong View Post
Kenneth Why will the convertor not work with an AGM battery? My Dometic is a 3 way; worthless on 12 volt, 120 very good, gas very good. when hooked up to 120 volt, it has a separate 120 volt plug in.... does it go thru the convertor?,,, I don't know. My solar panel charges the battery. The convertor in my 93 BigFoot does not charge the battery when on 120 volt. I thought this convertor would be a nice up grade. I have an AGM battery in the Toe.

Thanks also Kenneth
I'll try to answer this for you.
The converter is used to charge the battery and power the 12 Volt system when connected to shore power. If you've got a solar panel to charge the battery a converter is not necessary.
AGM vs flooded cell batteries;
AGM (Absorbed Glass Mat) are simply a battery technology without liquid. Can be used in any attitude, including upside down. Can be used in an enclosed location.
Flooded cell batteries are typical of automobile batteries with liquid. Can NOT be used except upright or the liquid will run out. Are vented and need to used in a vented location.

For practical purposes in our trailers they're interchangeable and be charged from the same charging source.

Hope this helps a bit.
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Old 12-06-2012, 01:17 AM   #30
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Kenneth, The Progressive Dynamics 9100 series converter is a superb converter for your twelve volt needs. This is why I bought one. On their website, they state that the Wizard Intelligent charging module is not suitable for charging AGM batteries. Simple as that. So I didn't buy the Wizard charging module. You say you have a separate plug from your frig to provide 110 V. Your 110 V comes from an external source, not from within your trailer, even though it enters your trailer. It has nothing to do with your 110V needs for your frig. This converter also has a separate plug that you put into a 110 supply in your trailer, or from a power box at your trailer site. There cannot be any conflict, OK?
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Old 12-06-2012, 07:34 AM   #31
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[QUOTE=Wanderer;349148]Kenneth, On their website, they state that the Wizard Intelligent charging module is not suitable for charging AGM batteries.

Interesting! when I go to the Charge wizard part of the web site and read the info for the PD9105 which is for the 9100 series converters it says that is is for " lead acid and AGM type batteries" Didn't scrutinize the rest of the website to see where the conflict may be.
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Old 12-06-2012, 09:11 AM   #32
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Okay,,,as Mike has found out ALL is clear now! Thanks Byron, Kenneth and Mike.
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Old 12-06-2012, 05:25 PM   #33
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Mike, I went to the web site and read all the data for the converters and the Wizard again, and NOWHERE can I now find any reference to unsuitability for AGM batteries! I think they must have updated the Wizard to use with both types of battery. So, I went back to the Net and bought one on eBay just now. THANK YOU! I will read the literature that comes with it carefully before installing- it may limit you to using the NORMAL setting. BOOST mode may be too quick for AGMs, I know my present smart charger is a slow charge rate for AGM. Thank you once again. Yet, I distinctly read, and rather disappointedly, under the Wizard info that it was not suitable, last time I looked at it. Very strange, because I was hoping it would say it was suitable! I will be able to install my present smart charger in my Miata boot, right beside the Optima Red Top.
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Old 12-06-2012, 06:24 PM   #34
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Brian , I read the full thread, and now I see what you are saying. My neighbour is very well educated in most aspects of trailer stuff. The operative word is not "little" it is the full phrase"these little frigs" He was standing in my driveway with my frig manual in his hand, pointing in turn at my trailer with the new Dometic 2193, then the open door of the garage where my old Dometic 211 (now a beer frig in summer) sits and then back over his shoulder to his little Surfsider trailer with its Norcold, all propane/plus dual voltage frigs, all manually controlled from the back of the frig, with no 12 volt connections. (he never runs his frigs on anything but propane under way or in RV parks. Says they work best on propane)) He also said, though It was not relevant, to me at the time, that the bigger Dometic in his larger trailer had a "digital dashboard" of stuff he could very well get along without because it needed electrical power to it all times, even on propane. Urban Myth is not a good term, but I didn't base this judgement on one model or make of frig. I'm ashamed to have used the term "Myth" because it insults the life works of Burton and Campbell and a host of other serious scholars. I think I picked up the term from a misnamed US TV program. But I do think this 12V thing a much misunderstood idea, and obviously, new small frigs without need for electronics or electrics in propane mode are still manufactured.
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Old 12-06-2012, 06:43 PM   #35
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Hey, Kenneth!

Speaking of "propane mode"

I understand that you haven't been able to get your fridge to work on propane and wondered if you've tried this old pro's trick:

Light an inside stove burner first to get the gas flowing, leave it burning, and go outside and try to light the fridge.

It's thought that especially in cases like yours where you use the stove/gas system little if at all, lighting the inside burner gets the gas fully flowing, and available at full pressure at the ignition point.

Good luck!

Francesca
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Old 12-06-2012, 09:06 PM   #36
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Francesca, you are worth your weight in gold. . . . or propane. Thank you. Merry Christmas. Is it washington state or Washington DC?
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Old 12-06-2012, 09:12 PM   #37
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I hope that means you got the fridge going...

Per my location:

I'm in the real Seat of American Power and Influence: Washington State!

Francesca
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Old 12-07-2012, 12:53 AM   #38
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NO, my tanks are under cover, removed, disconnected from the trailer, but I believe you have pointed me to the solution, and will do it once the snow has come and gone and I can bring the tanks back to the Trillium. thank you. We love Washington State parks and the hiking there, especially Larrabee/Fairhaven.
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