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Old 03-18-2016, 08:04 AM   #1
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mgcarma's Avatar
1968 26' Overlander
1961 26' Overlander
culpeper , Virginia
Join Date: Aug 2011
Posts: 37
1961 Overlander Battery layout

Good morning,
I am restoring a 61 Overlander. I have the externally mounted battery box (aluminum box above tongue area and under front window).

Can someone please tell me what group battery fits and perhaps take some pics of their layout and battery connections?
Right now, I have two 10 gauge orange wires and one ten gauge green (assuming ground) wires coming out of the front of the camper inside this box.

Let me know what you can help me with, thank you.


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Old 03-18-2016, 10:09 AM   #2
Site Team
, Minnesota
Join Date: Aug 2003
Posts: 6,483
Images: 59
You could try a 3EE battery. The battery usually ran to a 2 side fuse holder, one side to an air compressor for the water system, the rest for lights.

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Old 03-18-2016, 10:34 AM   #3
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1974 Argosy 20
2014 20' Flying Cloud
Kooskia , Idaho
Join Date: Jul 2009
Posts: 4,592
Unless you are doing a museum quality restoration, I would recommend changing the battery location to either the tongue in a box or inside if you use AGM batteries. Use the original outside box for storage if you want to leave it in place.

The reason is that although the long narrow battery which was used in those boxes is available (with difficulty in locating one) you will almost never find one which is deep cycle, and you want a deep cycle battery in your trailer, not a starting battery.

I think but am not sure, that those funny narrow batteries may be still available at places like Tractor Supply and other farm store type locations, as they were used in old 12 volt tractors, which last forever, thus the need for those batteries.
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Old 03-18-2016, 10:37 AM   #4
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1974 Argosy 20
2014 20' Flying Cloud
Kooskia , Idaho
Join Date: Jul 2009
Posts: 4,592
I was not clear in the last post, a newer type battery will be available in a deep cycle variety, but will be a different size, thus will need a new location, inside or outside the RV.
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Old 03-19-2016, 10:30 AM   #5
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1961 26' Overlander
1963 19' Globetrotter
1955 22' Flying Cloud
1975 20' Argosy 20
Gulfport , Mississippi
Join Date: Mar 2006
Posts: 756
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Interstate makes a battery that will fit in the original box under the front window.
Rick--Airstream of Mississippi
WBCCI #9275 TAC #MS-5 AIR #11800
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Old 03-19-2016, 11:29 AM   #6
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1962 24' Tradewind
Buffalo , Wyoming
Join Date: May 2012
Posts: 474
I've been running a NAPA 3ET battery in my Tradewind for three years now. It works well for me. Any NAPA store will be able to get it for you.
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Old 03-19-2016, 02:22 PM   #7
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1961 24' Tradewind
1967 26' Overlander
1973 27' Overlander
Savannah , Georgia
Join Date: Aug 2013
Posts: 149
On my 61 Tradewind, I moved the battery inside. Since 61 had a dual circuit system (one for 12 volt and one for 110, I wanted to update the electrical a bit for safety reasons. I installed a new converter in the floor area of the rear closet. I installed the battery in the rear storage area essentially under the sink. It was easy to tie into both systems and I was able to run new wiring to bring in the 30 amp service. I now have modern fuses and a safer system. I use the front box for decoration.
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Old 03-19-2016, 09:35 PM   #8
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1961 22' Flying Cloud
Oklahoma City , Oklahoma
Join Date: Oct 2014
Posts: 29
Napa battery. Don't waste your time.

My 61 Flying Cloud is currently getting the DC system modernized. They are right you need a deep cycle because of the up and down charges on an Airstream or any other. I burned through 2 of those long batteries from Napa in one season. Once they run down completely they won't even attempt to charge. They replaced the first one free of charge. I was not going to ask them to do that again. I knew it was my fault and not the battery's. My mechanic is moving the battery location inside under the couch, vented thru the floor (which I may not need) with a new charger/converter and modern deep cycle sealed battery. Been there done that. Best to move it inside and go with 21st century technology and not 1960's sheik. Also if you buy a new charger/converter, buy it online it's about 1/4 the cost than if you got it from a dealer.

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