I have a voopoo vinci that will sometimes keep firing even after i let go of the button. This vape has a button and an auto draw feature and its also known for having a leaking problem. Im pretty sure its doing this because theres juice in the device making it hit on its own, it was hitting on its own so i switched from autodraw to the button mode and it still didnt stop so i dont think it can be juice in the autodraw. I was just making sure it wasnt going to explode. It will stop hitting after i pull the pod out for a few minutes and then pop it back in, it doesnt get hot whenever its doing that either so i dont think its a short in the battery, maybe juice inside the decice completing the circuit? I have no idea.