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Old 11-27-2017, 04:01 AM   #10 (permalink)
It's all about Diesel
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Originally Posted by bestia View Post
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.
That's a reason why I prefer to disconnect jumper cables only when one of the vehicles had already been shut-off. And actually I prefer to avoid resorting to jumper cables anyway.
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