Forum Discussion
Community Alumni
Apr 19, 2018wanderingbob wrote:
I wonder , are the gasses heavier or lighter than air ?
Flooded lead acid batteries release hydrogen during charging and hydrogen is lighter than air. There's only a small amount of hydrogen released, but hydrogen is highly flammable in concentrations as low as 4%. This is why it's important to have some form of ventilation when the battery is contained in an enclosure.
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