Originally Posted by mexico
I purposely shorted a small 3 cell lipo last night to dispose of it. It took a good 1 1/2 - 2 minutes before it started to smoke and swell. It never did flame. I have done this 3 or 4 times now and have never gotten a lipo to flame. Maybe because they were old, tired packs that were not fully charged. I did it outdoors. Had it happened in my house the smell would have been bad.
Here's a video of a guy poking a pack -