yeah you have to be careful with lipos, they are a lot more dangerous than most people say. I have a small bunker made of fire bricks to store and charge my lipos in, even using a proper charger, I have mine explode usually one every week or so. Once I had it in my garage not in the bunker and it took out the front end of my car too. It destroyed some of the front panels and motor and electrics. It also sprayed flaming acid everywhere and stripped the paint and wrecked all my tools. I think its worth it for the power though.
