I have about three dozen LiPo packs of various sizes, cell counts and energy content for my RC planes and helicopters. I've had many swell-up. We took the opp

I have about three dozen LiPo packs of various sizes, cell counts and energy content for my RC planes and helicopters. I've had many swell-up. We took the opportunity to safely abuse them and see what a fireball failure looks like. Scary and awesome at the same time. All my LiPo's are kept in fiberglass fireproof bags. These bags are kept in a dedicated metal toolbox with a set of exhaust holes drilled. The toolbox sits on a set of bricks laid flat on top of a table. Also, there's nothing flammable on top of the toolbox. The point is to contain the heat and fireball while allowing pressure and smoke to release. The system hasn't been tested yet (haven't had a pack self ignite, ever) yet I feel reasonably confident that it will do a good job of protecting my house.