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Old 07-06-2013, 02:48 PM   #1
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1985 34.5' Airstream 345
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12 volt converter charger

what brand or type should i replace the original univolt that i have now on my 345 ?
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Old 07-06-2013, 03:12 PM   #2
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I have always liked the Progressive Dynamics PD 92xx series. The one which would probably be best for you would be the 9260 (60 amps) but a 9245 (45 amps) would probably work. Since you have a good sized built in generator, if it were mine, I would go with the 9260. The battery capacity of your 345 is probably two type 27's or 29's and much more charging capacity could be to fast an initial recharge for them, so I would not go larger. The charge tapers off pretty fast, so the absorption rate is usually under 40 amps, that is why I say even a 9245 would work for you.

There are other options (manufacturers) and many will recommend talking to Randy at Best Converters for his opinion.
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Old 07-06-2013, 11:51 PM   #3
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Does the 9260 have a smart charger ? so i can leave the battery charger on ?
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Old 07-07-2013, 10:04 AM   #4
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Does the 9260 have a smart charger ? so i can leave the battery charger on ?
Yes, it is a smart charger and a very good one at that.
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Old 07-08-2013, 10:24 PM   #5
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thanks everybody.Now how many amps should i get?Also how do get access to it,seems so small space under the oven cant really see how i can get it out?
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Old 07-08-2013, 11:00 PM   #6
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I just installed a PD 9260, took less than 30 mins to install since my 12volt breaker panel And wiring is still in great shape.
No more voltage dips and my fans and water pump seem to run better.
About 1/3 of the weight of the Magnetek boat anchor.
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Old 07-09-2013, 10:20 AM   #7
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may be its easier because you have a trailer,anyone did a 345 where the univolt is under the oven?
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Old 07-10-2013, 07:05 PM   #8
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Based on Brad's recommendation, I just replaced mine with the Progressive Dynamics unit. I went with the 45 amp version since my unit isn't that big and I only have one house battery.
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Old 07-10-2013, 07:15 PM   #9
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Based on Brad's recommendation, I just replaced mine with the Progressive Dynamics unit. I went with the 45 amp version since my unit isn't that big and I only have one house battery.
Now you did it...you just jinxed yourself
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Old 07-10-2013, 07:32 PM   #10
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Now you did it...you just jinxed yourself
So far, so good! It is putting out a consistent 13v when on shore power!
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Old 07-13-2013, 11:56 PM   #11
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well i finally get to the bad power supply.i had to un screw the stove and slide it foward to gain access to the power supply. its a 50 amp so i will order a 60 amp just to have more power in case i add more accesory like high amp sound system.
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Old 07-14-2013, 10:17 PM   #12
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We installed the Progressive Dynamics PD9245 in our 345 MH. It worked out well as we fulltimed for 2 years after replacing. We just mounted it inside the power distribution box that the old one was in. Here's a link.
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Old 07-15-2013, 01:53 PM   #13
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thank you for the respond i guess i made the right desscition to order progressive dynamic and do you think i over kill to use a 65 than a 50 watt?
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Old 10-21-2013, 12:44 PM   #14
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I also was looking to replace mine as well. Spoke with 3 Dog Nite a while back about his replacing the converter/inverter part of his Energenius.

Just spoke to Randy and he suggested the Powermax Boondocker for my 350. Thanks tot he great pics posted by 3 Dog Night and the model he got, I was able to extrapolate and see that Boondocker would fit.

Since I was at it I also picked up the trimetric battery system monitor. I liked the fact that I can get the data on the house batts as well s a volt reading on the starting battery.... The panel installed is about useless. Actually it is worse then useless since it leads you to assume it is even remotely accurate.

Hopefully I can install it on the rainy days that I can't be doing other stuff in/on the MoHo.
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