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Old 10-12-2017, 12:27 PM   #8 (permalink)
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Hi. I'm new here.

Yes, what you were smelling is hydrogen sulfide gas which has the rotten egg smell. Lead acid batteries produce hydrogen gas when charging--a spark from jumper cables can cause the battery to explode throwing sulfuric acid everywhere.
I had a battery blow up a foot from my face. Fortunately a fellow mechanic hit me with the water hose and I have no scars.

Last edited by bestia; 10-16-2017 at 03:00 AM..
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