Vape fires can occur when there is a malfunction in the battery. The vape battery can fail if the battery discharges for too long, thereby causing the battery to overheat. The vape battery can also catch fire when the vaporizer mod draws power beyond the safe range of the battery, similarly causing it to overheat. Other causes of vape fires include: overcharging a rechargeable battery; using a battery charger supplying the wrong amount of power; use of a vape pen with inadequate airflow to release heat; and use of mod or vape with no locking mechanism to prevent accidental firing. The battery can also accidentally be discharged by having a short within a device or placing a loose battery against metal objects.
The resulting fire or explosion occur almost two out of three times when in use or when in a pocket, resulting in serious injuries and burns.