Flooded Lead acid battery box?
Hey, I am planning on buying 8 GC2 Duracell Flooded Lead Acid batteries from Sams club for my battery bank. I will have 4 340 watt solar panels on the roof of our bus for a total of 1360 watts of solar. I would like to have the battery bank accessible (for maintenance obviously) but also inside. Right now I think ideally the battery bank would be either in our garage space (underneath our bed but still in the cabin, or in a storage cabinet a little closer to where the solar panels will be (but also still in the cabin). The reason we want the batteries to be in the cabin is because we will be living in a very cold climate for long periods of time and I understand batteries do better in controlled temperatures.
Something I am obviously worried about is sealing the battery box and venting it properly to prevent our bus from exploding (only being slightly dramatic) or from damaging other things in our bus.
What are ways you guys think I could build a sealed battery box with a good vent? Do I need to have a non sparking fan to circulate the air in there or can I let them passively vent just through a pvc pipe leading outside?
Other things I am aware of. The fumes can damage the inverter or charge controller as well as other electrical stuff. I understand I need to have the vent at the top of the box and the wires need to come out near the bottom to prevent the hydrogen gas from entering the space through those holes.
What are methods you have used to seal the box at the top and sides to prevent hydrogen gas from escaping?
I appreciate all of your help!
-Ross
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