> I always wonder what happens when these things catch fire

If you're hoping someone will chime in to tell you they have magic firefighting foam inside them or something, I regret to inform you that what happens if it catches fire is exactly what one might naively expect from large lithium batteries.

Which version do you have? I believe they switched to LFP for V3, which should pose significantly less fire risk than the NMC chemistry they were using for V2 and before