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here is a tidbit.. for a few years I have had four 92 amp-hour AGM lead acid batteries in my comms shelter on the back of the truck The truck has "car batteries" and tey have generally done well. These AGMs are not for cranking, but the electrical hookup allows them to be put in parallel with...

did they get fired after they got fired?

OK well I hope I am not going off the deep end into non-safety aspects, but I do want to present what little info I have on battery use and care. I notice we have an Interstate Battery dealer in the house. It would be really helpful to have some deep details on caring for flooded lead acid...

Besides flooded lead-acid batteries, which are the more rugged kinds for cranking, there are also "non-spillable" and "valve-regulated" gelled electrolyte and absorbed glass mat lead-acid batteries. These never need 'water' and are not to be opened. Gelled electrolytes are the kinds usually seen...

The attachment shows a typical battery equalizer. This is the kind of equipment that efficiently draws off the stack to keep the midpoint at exactly half voltage. This is what you might power large 12V acessories with. One fault of it is that it always draws a tiny bit of power and can run down...

One of the ones that exploded did so because the terminal was cracked inside the battery case, from too much wiggling and tighteneing. Some batteries are two-man lifts, especially if in an awkward position with no carry handle.

Here's a good image of an exploded battery. not much to look at, but consider the acid spraying out all those holes at once, propelled by brning hydrogen and oxygen.

Here is a little tip on battery safety. Maybe this could become a sticky thread if there is not one on battery safety already. It's an important topic. Having witnessed a battery explosion in someone's face and a fire caused by a short on a cranking battery, It's worthwhile to discuss it and see...