I have seen very few talk about the dangers imposed by large lithium batteries.

Only hydrogen cannisters are scarier to me.

Just think, you are a wrecker. You pull up to a broken car, you reach out to help, and ZAPPP, fried in an millisecond. There is nothing like lots of energy in a little box just looking for a circuit to ground to. Extremely dangerous.

The horror is that thermal runaway has not been solved. It has just been limited. Meaning, its just a matter of time.

Soooo, invest in oxygen absorptive fire suppression systems? The fire trucks roll up and pump that basement full of fire suppressant... hope nobody was alive in there... well, they probably weren't (fire + toxic gasses), sooooo...