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What could cause a battery to explode?

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Answer

It was probably leaking gases that ignited when somthing thing sparked after the key was turned.

Answer

Specifically, hydrogen -- picture the Hindenburg in miniature, only faster.

Assume you know for sure it was the battery though and not say a fuel leak or anything, seems like you'd need a good bit of combustible to get that effect.

I have seen battery's explode from overcharging, which causes copious amounts of hydrogen to be generated (just submerge a battery in "pure" water and overcharge it), you will be amazed at how much hydrogen is generated you can see it roil the water, believe me it's alot lol. Then "any" point of ignition and "Big BOOM". It's not pretty either, with all that acid all over the place ;-( Be VERY careful when charging a battery and make sure you do not overcharge it. Also be very carefull when "Jump Starting" a car, for the same reason.

TommyTrouble

First answer by TommyTrouble. Last edit by TommyTrouble. Contributor trust: 184 [recommend contributor ]. Question popularity: 122 [recommend question].

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