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Old 10-16-2009, 05:03 PM   #1
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1993 25' Excella
Tustin , California
Join Date: Sep 2009
Posts: 1
converter replacement

I have an Airstream Excella 1993 25'.

I would like to replace the old comverter with a solid state mulit-stage

one, so I do not need to turn on and off the off-on switch guessing when

the batteries are charged.

Any name brand models and numbers, or experence come to mind anyone?


John Bran

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Old 10-16-2009, 05:12 PM   #2
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1975 25' Tradewind
Dewey , Arizona
Join Date: Mar 2005
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John, Welcome to the forums.

I installed an InteliPower 9245 in my 75 Trade Wind. It is a 3 stage converter which has a small indicator to tell you what stage the converter is in. I chose the 45 amp model because I have only one battery in my trailer. A 9260 (60 amp) would be the correct size for a two battery setup. I have been very pleased with the performance of this unit and it is very quiet.



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Old 10-16-2009, 06:14 PM   #3
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1968 24' Tradewind
Oxford, , Mississippi
Join Date: May 2009
Posts: 1,305
Randy at is very helpful. Email or call, he carries several brands.
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Old 10-16-2009, 06:14 PM   #4

2003 25' Classic
Zanadude Nebula , WNY
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BestConverter - Converters, Inverters, Electrical Supplies, Electronics

AF #1

"Sticks & stones can break your bones...and hail will dent your Airstream"

So when is this..."old enough to know better" supposed to kick in?
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Old 10-16-2009, 07:19 PM   #5
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1983 34' Excella
1967 24' Tradewind
Little Rock , Arkansas
Join Date: Nov 2006
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I have (will have) Inteli-Power(s)

I know that looks confusing. I have an older 45 amp Inteli-Power in my '67 Trade Wind that I put in somewhere around 10 years ago or more. I have been very pleased with it. I just got a new Inteli-Power9280 from Randy at Best Converter (9200 Series) to replace the 70 amp Univolt in my Excella.

It may be a bit of overkill, but I expect it to last for many years if the one in my Trade Wind is any example and will certainly handle anything I can throw at it. The 9280 is also 3½” longer than the 9270 or 9260. This gives it substantially more heat sink that should, at least it seems to me, allow the cooling fan to run less under most conditions. Excess capacity and less noise (at least in theory).

This Univolt is still working (HUMMMMMM!!!), but I have bad memories about the old one’s failure. I plan to install the new Inteli-Power tomorrow. More info to come.
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Old 10-16-2009, 08:28 PM   #6
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1988 29' Excella
Collinsville , Illinois
Join Date: May 2009
Posts: 522
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Just ordered a 9260 for our 29' excella. Hope this baby comes with instructions.
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Old 10-16-2009, 09:01 PM   #7
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Here's what I just did:

Start at post 755.

Air No. 6427
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Old 10-17-2009, 07:06 AM   #8
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2005 22' International CCD
Woodland Park , Colorado
Join Date: Feb 2007
Posts: 114
I also have an Intellipower (4655) 4 stage charger I recently installed to replace a WFCO 3 stage charger which barely lasted 2 years (wouldn't you know it died just past the warrantee period).

I am very happy with the Intellipower converter so far. The clincher for me is the 4th stage desulfation mode, which eliminated the need to purchase a separate desulfator.

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