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Old 08-20-2015, 08:25 AM   #1
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Location: Chelsea, MI
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Battery Replacement '03 FDDS

In the process of purchasing a 2003 36' FDDS and the seller has agreed to replace the house batteries that are four years old. Wondering what the replacement batteries should be. i.e. amp hrs, etc.

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Old 08-20-2015, 09:33 AM   #2
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Join Date: Jun 2003
Location: Ontario, CA USA
Posts: 1,305
Hello & Welcome to IRV2 and the Alpine Coach Forum.

Congrats on your new to you Alpine. The average amp rating is 225 per 6v battery. Trojan, interstate, are about the same. I installed 6v batteries from COSTCO three years ago and have had no problems with them. I average about 4 years with the coach batteries since I purchased our Alpine in 2001.

Good luck how to see you on the road.

Dave Fernandez
2001, 38ft FDDS, 350 ISC, Tow 2004 Yukon
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Old 08-20-2015, 10:11 AM   #3
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And, at least our 2003 38FDDS with residential refrigerator has 6 golf cart batteries.
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Old 08-20-2015, 02:08 PM   #4
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The "standard" setup switched from 4 to 6 batteries in '04. It was 4 when we started looking at '03's, but was 6 when we bought our '04. We don't have the residential fridge.

A bank of four 6 volt batteries will be about 450 amp-hr when properly connected, 600+ if six batteries. Depending on the exact rating.
Jim A
'04 Alpine Coach 36' MDDS
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Old 08-26-2015, 11:19 AM   #5
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Location: Chelsea, MI
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battery replacement 2003 FDDS

Thanks to all who answered. Batteries are replaced and will pick up the new unit in 7-10 days.
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replacement, battery, replace, ace

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