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Electrical Discussion of preventative/corrective maintenance and other technical issues regarding your coach's electrical system.

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  #1  
Old 01-16-2008
Lodgerhead Lodgerhead is offline
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Default Stinking battery

Good morning all. When I walked in my shop this morning (I keep the Bird in there) something smelled funky. At first I thought I might have a propane leak, but started sniffing around and followed my nose to the starting batteries. One of the 2 is very warm and putting out the foul odor, the other seems fine. I have heard of batteries outgassing, but have never smelled this before. Is this a sign that the battery is headed south? These are NAPA commercial truck/tractor starting batteries, a little over 2 years old.

Thanks,
Dave
1990 36SP
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  #2  
Old 01-16-2008
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iamflagman iamflagman is offline
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Quote:
Originally Posted by Lodgerhead View Post
Good morning all. When I walked in my shop this morning (I keep the Bird in there) something smelled funky. At first I thought I might have a propane leak, but started sniffing around and followed my nose to the starting batteries. One of the 2 is very warm and putting out the foul odor, the other seems fine. I have heard of batteries outgassing, but have never smelled this before. Is this a sign that the battery is headed south? These are NAPA commercial truck/tractor starting batteries, a little over 2 years old.

Thanks,
Dave
1990 36SP
Dave,

That very well may be a sign that the battery is shorting internally and is causing the heat to build up and the smell, I would disconnect them ASAP just in case, until you can determine what is causing the problem. I suggest that you remove the batteries and have them both tested for specific gravity and a load test to determine their condition.

Keep us posted on what you find out.
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  #3  
Old 01-16-2008
Stephen Stephen is offline
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Default stinking

VERY CAREFULLY REMOVE THE BATTERY

disconnect negative post first to prevent sparks
wear safety Glasses when handling this Battery

this battery is defective
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  #4  
Old 01-16-2008
popeye
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Default Stinky battery

You may have overcharged it... you should look at your charger as a possible source of the issue. if you caught it early enough the battery may not be bad and may in fact be "savable" (that's not a techical term). It will certainly need water and a load test.
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  #5  
Old 01-24-2008
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Juergen Juergen is offline
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Default stinking battery

Stephen is right by suggesting to remove the battery carefully. I had 4 gel cels in my coach. Out of no-where i noticed a big charge (100Amp) from the alternator charging. I found 3 normal and one very warm battery in the compartment. The warm one was internally shorted. Gone south. The smell was awful.
Juergen in PA
1991 WLSP36
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