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Old 06-10-2010, 11:35 AM   #15
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Stephen

I guess I would lean toward replacing the converter with the same size as your original univolt. If this is 70 amps then you can get a 70 amp 9200 series Progressive Dynamics Converter from Best Converters for about $203 including the remote pendant. This is about $50 less than the 80 amp model plus it is lighter and smaller.

I am curious why AS would install a 70 amp converter, when Byanl says that anything over 40 amps could be harmful (did I misinterpret something?). Normally the manufacturer's tend to go on the adequate (cheap) side whenever possible.

Dan
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Old 06-10-2010, 11:43 AM   #16
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I just removed the three Blue Top optimas in my trailer a couple of weeks ago. My results were similiar to SafariSS. Very weak. I replaced all three with Lifelines which is a huge improvement. There is a place in Texas that has by far the best price on the Lifelines. I can find it tomorrow when I get home from this trip.
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Old 06-10-2010, 12:50 PM   #17
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Davern1...here's another way to look at it...

BT Optima = 55 AH

Lifeline GP-24 = 80 AH

You'd have to add another BT for a total of (4) batteries to get about the same AH capacity as your three new Lifelines...!

Optima's are good batteries, don't get me wrong, they're just not suited for RV deep cycle (house) use due to their limited AH rating...IMHO!

Ray
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Old 06-10-2010, 03:47 PM   #18
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Well, I ordered the 9270 from www.bestconverter.com today. I ordered a new fuse block with it, too. I decided not to risk any new battery on the old Univolt, and certainly not a new flat screen tv or dvd player on it. We like our gadgets and to protect them I'll change out the converter and buy a decent flooded deep cycle for the time being. I'll learn what I can about care and maintnance of a 12v system before I spend the big bucks on a battery.

Thanks for the input, I'll be back to this subject if I have any questions on replacing the Univolt.

Stephen
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Old 06-10-2010, 06:31 PM   #19
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I think you did the right thing(s), Stephen.

I'll be watching your progress.
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Old 06-10-2010, 07:58 PM   #20
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Some new converters work better with AGMs than others. Code says AGM batteries need venting. Personally I don't.
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Old 09-09-2011, 05:51 PM   #21
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The Progressive Dynamics converters are now 4-stage. Anyone installed one of the new ones? The Intelli-Power 4600 Series Upgrade or Replacement RV Converter/Charger with built-in Charge Wizard is the Brand of choice by leading RV manufacturers.
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Old 09-09-2011, 06:53 PM   #22
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Quote:
Originally Posted by JBinKC View Post
If you look at the PD website, the "4 stage" is simply a re badging of the old
"3 stage" unit. The three stage one had an additional "equalize" mode every 15 hours or so, the new one calls that a "stage" and has changed the name to a "desulficaton" stage, but it has exactly the same specs as the old one for that "stage". So, no need to change at all.
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Old 09-09-2011, 07:56 PM   #23
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[QUOTE=stephenh2;858601
2. Is the blue top a decent value for the money? thanks,
Stephen[/QUOTE]



Stephen,

IMHO......NO! The grp 27 Blu top has only a 67ah rating. Better off with a conventional wet cell deep cycle Marine/RV.

Have had good luck with Interstate and Die Hard, both readily available.

Or jump in with both feet and go Lifelines and IOTA IQ4 converter.....

Sweet Streams....

Bob
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