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08-19-2014, 03:41 PM
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#1
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Senior Member
Join Date: Feb 2011
Location: Winston Salem
Posts: 272
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Batteries under bed
I was helping my neighbor fix his broken bed supports in his camper (not a Jayco) and saw he relocated his batteries under his bed I assume for security purposes. I didn't think you were supposed to do this but didn't say anything to him because I wasn't sure why and didn't want to argue my uneducated point.
Why is this bad and what could happen? I don't think it is vented at all. It's under the bed in tight quarters with his fresh water tank and pumps.
Don't want him to have something happen if I could have helped prevent.
Thanks.
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2011 32bhds
TV 2002 Excursion 7.3 Few mods ;)
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08-19-2014, 03:48 PM
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#2
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Senior Member
Join Date: Jun 2011
Location: Kalamazoo, West Michigan
Posts: 1,817
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Ventilation is key to preventing hydrogen gas buildup from the charging process. Acid vapors can also corrode metals nearby.
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2006 23B Hybrid with 10k round bar WDH
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08-19-2014, 03:54 PM
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#3
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Senior Member
Join Date: Nov 2011
Location: Where ever the boss says we're going.
Posts: 16,111
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And they have been known to explode from the gas being trapped..
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08-19-2014, 04:02 PM
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#4
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Senior Member
Join Date: Jun 2011
Location: Kalamazoo, West Michigan
Posts: 1,817
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Quote:
Originally Posted by Grumpy
And they have been known to explode from the gas being trapped..
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Hence the importance of ventilation.
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2006 23B Hybrid with 10k round bar WDH
2011 F150 4x4 SCREW Ecoboost, Max Tow, Integrated TBC, 3.73 LS axle, Firestone Ride Rite airbags.
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08-19-2014, 04:07 PM
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#5
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Senior Member
Join Date: Dec 2012
Location: NW AR (God's Country)
Posts: 2,051
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Taken from a recent article on deep cycle batteries;
"A word of caution is needed here… a deep cycle battery is very dangerous. These things contain a sulfuric acid electrolyte (75% distilled water and 25% sulfuric acid), which is a corrosive liquid.
This acid can emit flammable hydrogen gas… think Hindenburg. Always be sure you and your deep cycle battery are in a well-ventilated space."
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Skip
2012 Eagle Super Lite HT 26.5RKS
2005 GMC 2500 SLT HD D/A
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08-19-2014, 04:47 PM
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#6
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Senior Member
Join Date: Feb 2011
Location: Winston Salem
Posts: 272
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Thanks! I'll at least let him know to ease my conscious.
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2011 32bhds
TV 2002 Excursion 7.3 Few mods ;)
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08-19-2014, 04:52 PM
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#7
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Senior Member
Join Date: Sep 2013
Location: South Texas
Posts: 7,217
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Unless they're gel or glass sealed batteries, then it's fine to have them there. In fact they're used quite often in marine applications for that very reason. But a standard lead acid battery is very dangerous in an unventilated location like that.
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08-19-2014, 09:23 PM
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#8
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Senior Member
Join Date: Sep 2010
Location: PNW
Posts: 5,195
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Yep, hydrogen gas emitted from batteries can cause an explosive event. Being vented into the space under the bed would scare the heck out of me.
That would be the wrong way for a bed to be a'shakin'!
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Bill
2011 Dodge Ram 1500 HEMI Quad Cab
2011 Jay Flight 26BH
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08-19-2014, 11:05 PM
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#9
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Senior Member
Join Date: Dec 2010
Location: North Idaho/Arizona
Posts: 5,446
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We had an old motorhome and the batteries were under the rear sofa that we used for a bed. At times we could smell the batteries. We didn't keep it very long.
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Life in the slow lane is still life.
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08-20-2014, 06:33 PM
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#10
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Senior Member
Join Date: Jul 2011
Location: Ottawa Valley
Posts: 403
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Quote:
Originally Posted by mcfarmall
Ventilation is key to preventing hydrogen gas buildup from the charging process. Acid vapors can also corrode metals nearby.
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The gases from the charging batteries may also set off the co detector if it is the semi conductor type which detects by burn rate of the sample taken at measured intervals, as opposed to the absorption type of co detector. I guess the gas emited burns at the same rate as co and puts it in to alarm.
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08-20-2014, 10:40 PM
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#11
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Senior Member
Join Date: Jul 2014
Location: New Bern
Posts: 402
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VENTILATION, VENTILATION, VENTILATION. He is playing with fire literally. Batteries need to be either outside or in a compartment Vented directly outside with the vent above the battery as the hydrogen gas rises. You also have issues with corrosion and the gases that can produce along with the effects of acid hitting floors an other things. If you ever get chance look at a fire truck. Some of the compartments are vented to store batteries and/or gas cans etc. This is actually mandated by OSHA and NFPA.
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