Ah, so this wasn't lipo failure, it was once again, it seems, user error. I still believe that lipo is inheritently safer than a nimh, as they would pop even being charged correctly. Now i got in trouble for saying this before, but unless lipo sacks are built and tested in accordance with some form of recognised standard, then really as a consumer, not all sacks can be trusted.
As for that bunker, it would be better being air tight so the fire consumes the oxygen and will extinguish itself so you can make safe.
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