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Old 08-21-2008, 08:44 PM   #1
Xtreme Cartz
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Default Battery safety

Is there a fume safety hazard with lead acid golf cart batteries inside an enclosed unventilated area such as the back of a car? Hydrogen is the dangerous stuff produced by batteries right? I'm going to have 11 batteries in the back of my car and was trying to think of some way to make it safe. What about if the batteries are put in a tool chest and vented out of the car with 2 exhaust fans?
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Old 08-21-2008, 08:47 PM   #2
roady89
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Default Re: Battery safety

Something like that BUT make sure you use a brushless fan to vent hydrogen gas or at least a sealed brush motor. A brushed motor will produce sparks between the comm and brush. It may be a minimal risk but a risk none the less.
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Old 08-22-2008, 12:49 PM   #3
gstoneberg
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Default Re: Battery safety

I think during charging is the dangerous time. Most of my friends with electric car conversions connect their fans to the charger interlock so the pack area is vented during charge. I like the idea of enclosing the batteries in a box if they're going to be in the passenger area of the car. George
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Old 08-23-2008, 12:26 AM   #4
Nate
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Default Re: Battery safety

The most ideal way is not the most cost effective, you would have to cut a hole in the rear of the car and build a cage to hold the batteries. Then you would need a "dog house" like is used on vans to cover the batteries. This way the bottom of the batteries is exposed to outside and any acid or fumes would go out here just like a golf cart. This would also make cleaning the batteries easier as well, just open and hose. The down side is a person would have to make it structurally sound as to not compromise the integrity of the car. Do what you can to vent your batteries out of the passenger compartment. I understand you are on a budget.
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Old 08-23-2008, 08:45 PM   #5
Fishing Dude
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Default Re: Battery safety

Could use a system like on a IO on a boat.
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Old 08-27-2008, 02:52 PM   #6
Xtreme Cartz
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Default Re: Battery safety

Thanks for the suggestions. Nate I was strongly considering building the racks underneath the car where the spare tire and gas tank use to be until I got the tape measure out. There just isn't enough room between the midget car and the road to fit 12" of clearance safely.
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Old 08-27-2008, 10:14 PM   #7
Nate
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Default Re: Battery safety

The best vehicle in my opinion is a small truck, you can make the bed tilt and the suspension is a little heavier duty. You already have quite a bit of time invested in your car, stay with it and learn all you can. If you decide to change vehicles you can always transfer your electrical components into the new vehicle.

Keep in mind this is my opinion; I encourage people to form their own opinion based on their experiences.
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Old 09-02-2008, 06:50 AM   #8
Paxdad
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Default Re: Battery safety

The lower explosive limit (LEL) in air is 4.6% while the upper explosive limit (UEL) is 46% in air (for Hydrogen Sulfide). While it would require a sufficient spark energy source to ignite the above your components would certainly produce this amount. One solution is to ventilate the compartment with a roof mounted RV vent that will draw air in while providing for a vent for it to escape. THis is an inexpensive approach but may not be very asthetic. The goal is to introduce enough fresh to dilute the LEL and UEL.
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Old 09-07-2008, 07:39 PM   #9
Xtreme Cartz
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Default Re: Battery safety

Quote:
Originally Posted by Fishing Dude View Post
Could use a system like on a IO on a boat.
I'm not sure how this is on a boat but it gave me an idea that worked great and it may be what you were talking about. I'll have pictures to show what
I decided to build. Thanks for the idea.
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