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Old 05-29-2012, 10:48 AM   #1
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Adding a second battery to 21SS

Does anyone know if the charger in the Roo 21SS can handle a second 12V battery in parallel?
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Old 05-29-2012, 10:51 AM   #2
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Quote:
Originally Posted by phygenius
Does anyone know if the charger in the Roo 21SS can handle a second 12V battery in parallel?
Model and brand of charger?
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Old 05-29-2012, 11:49 AM   #3
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WFCO 8955 converter
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Old 05-29-2012, 11:52 AM   #4
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Quote:
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WFCO 8955 converter
I have the same and charge 2 batteries
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Old 05-29-2012, 12:09 PM   #5
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Thanks. I assumed it would just supply the additional current until at the rating limit.
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Old 05-29-2012, 10:53 PM   #6
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here are my 2 12v deep cycle batteries on my Roo 23SS.

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Old 05-30-2012, 07:02 AM   #7
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Here is what my 2 6V batteries look like on mine.

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Old 05-30-2012, 08:16 AM   #8
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Now would be a good time to install a battery disconnect if you haven't already. I recommend a Blue Seas 6006m for a two 6-volt battery bank or the 9001e with two 12-volt batteries.

You said you were adding a second battery so I assume you want two 12-volts. Remember to match the new battery with the old.

And as others have said, your WFCO 8955 will do the job.
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Old 05-30-2012, 01:17 PM   #9
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We just returned from a Vancouver, B.C. to San Diego road trip in our 2012 233s, only our second trip in it. Our first trip was early April and after the first night of below freezing temperatures the battery was in need of a charge in the morning. We mainly dry camp and camping with four females it is more fun when you keep them warm and dry. I did my research and decided on a pair of Trojan T-145 plus 6 volt batteries. They are the largest batteries that will fit within the factory battery support brackets. Although expensive ( $512 cdn including new battery box and jumper cable ), and heavy ( 72 lbs each ), they provide plenty of amp hours ( 260 ). So far I'm very happy with my purchase. When charging I leave the battery disconnect off and use a CTEK charger to charge and maintain the batteries while not in use.
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Old 05-30-2012, 02:05 PM   #10
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Quote:
Originally Posted by themiddletonz View Post
We mainly dry camp and camping with four females it is more fun when you keep them warm and dry. I did my research and decided on a pair of Trojan T-145 plus 6 volt batteries. They are the largest batteries that will fit within the factory battery support brackets. Although expensive ( $512 cdn including new battery box and jumper cable ), and heavy ( 72 lbs each ), they provide plenty of amp hours ( 260 ).
I wonder what the USA price for the same battery would have been. Everything in Canada is more expensive when it comes to electronics, vehicles etc.
And Happy wife Happy life is generally a gr8 rule to understand. Only the freezer is to be kept cold.
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