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Old 03-14-2019, 06:35 PM   #1
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Location: Arizona
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Default 2004 Roadtrek Versatile 190 Aux battery specs

I need to replace my dead auxillary batteries and the original batteries have not useful information printed on them anywhere. Not even a model number. It just has "American Battery Co, Marine battery" printed on one side.

The owner's manual says its a 12v deep cycle, group 27. So now I know the size I need to get. But I have no idea of the recommended Ah or the terminal post type used. Visually the terminal type looks like it could be a T6, T8, T11 or maybe even a T12 post.

Does anyone know what type of terminal post is used on batteries in this model of Roadtrek?

Does anyone know what Ah rating I should be looking for?


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Old 03-14-2019, 08:47 PM   #2
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Join Date: Feb 2014
Location: Ontario
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We have the exact same model and when we purchased it 5 years ago, we replaced the existing batteries with 2 AGM ( 2 x 100 ah) batteries which we installed inside the rig underneath the rear seating on the driver side.

2004 Roadtrek C190 Versatile
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Old 03-14-2019, 09:01 PM   #3
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Location: Arizona, Tempe
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5/16" threaded posts. I don't know the official name. AH will be anywhere from 80-115 for a group 27 battery. Deep cycle batteries are hard to find in that size so a Marine battery is usually used. I prefer flooded lead acid but most like AGM.
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Old 03-15-2019, 12:47 AM   #4
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Location: LA
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Careful, yes there is a so called size for group 27, but there are group 27''s that will not fit your B. Measure Carefully.

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ah rating, battery specs, roadtrek, terminal post type

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