Found this, may be a good example of why to be extremely careful. I think that battery was rigged, though. One should already be safely shielded prior to welding, but we have Darwin Awards for a reason.
"THE SIERRA JUST HOTEL TANGO FOXTROT -OVER"
MALO PERICULOSAM LIBERTATEM QUAM QUIETUM SERVITIUM
Offroaders do that sort of welding regularly if they don't have an onboard welder.
Somebody has to speak for these people. Y'all got on this boat for different reasons, but y'all come to the same place. So now I'm asking more of you than I have before. Maybe all. Sure as I know anything, I know thisthey will try again. Maybe on another world, maybe on this very ground swept clean. A year from now, ten? They'll swing back to the belief that they can make people...better. And I do not hold to that. So no more runnin'. I aim to misbehave. Mal Reynolds Serenity/Firefly