Exposing your vape to extreme temperatures is a fire risk. Avoid leaving it in a hot car or out in the freezing cold. Never use damaged, swollen or hot batteries. # 7 Dangerous Facts About Vaping And Oral Health Don't let your travel plans go up in smoke. Pack your vape safely: electronic smoking devices should be turned off and carried on, never checked. Do not use or charge them on Vaping danger Stanford Medicine