Quote Originally Posted by grant_ploughbot
If the lipo hasn't exploded by the time it's been un plugged it doesnt nessasarily mean that it's safe. It can sometimes take upto 5 or so minute's for a lipo to catch fire after a short even when disconnected.

The fuse it to reduce the biggest risk of lipo fire's which is shorting them out for prolonged periods.
Well that's not good is it, suppose that's the reason for the rule saying you need a bag of salt to cover it in if it gets affected by stuff like that. Makes sense really.