What happens if a vape gets too cold?

Excellent question. Exposing a vape to very cold temperatures, like leaving it in a car overnight in winter, can cause several issues that affect both performance and safety.

Here's a breakdown of what happens and what you should do about it.

The Immediate Effects of Cold on Your Vape

E-Liquid Thickens and Wicking Problems: The main component of e-liquid, Vegetable Glycerin (VG), becomes significantly thicker (more viscous) in the cold. When the liquid is thick, the cotton wick inside the coil cannot absorb it properly. This leads to a "dry hit"-a burnt, unpleasant taste that means you're burning the dry wick instead of vaporizing the e-liquid.

Reduced Vapor Production: Since the thickened e-liquid isn't being vaporized efficiently, you will notice a significant drop in the amount of vapor your device produces.

Battery Drain and Performance Loss: Lithium-ion batteries, which power vapes, are chemically based. Cold temperatures slow down the chemical reactions inside the battery. This leads to:

Faster Power Drain: Your battery will deplete much more quickly than usual.

Weak Performance: The battery may not be able to deliver the necessary power to the coil, resulting in weak, unsatisfying hits.

Potential Long-Term Damage: Repeatedly using a very cold battery can reduce its overall lifespan and capacity.

Risk of Leaking (When Warming Up): This is a common and counterintuitive one. If your vape gets cold and is then brought into a warm environment, the metal and glass components will contract and then expand. More importantly, the air pressure inside the tank can change. This can force the thickened e-liquid past the seals and out of the airflow holes, causing a messy leak.

What You Should Do if Your Vape Gets Too Cold

Let It Warm Up Gradually: Bring the device indoors and let it naturally reach room temperature. Do not try to speed up the process by placing it on a radiator, in front of a heater, or in hot water. Rapid temperature changes can cause condensation inside the device, leading to circuit board damage or more severe leaking.

Check for Leaks Before Use: Once the device is at room temperature, check the airflow holes and connection points for any e-liquid. Wipe it clean with a paper towel.

Inspect the Battery: If your device has removable batteries, check them for any signs of condensation or damage.

How to Prevent Cold Weather Vaping Issues

Keep it Close: The best place for your vape in the cold is in a pocket close to your body, where your body heat can keep it at a stable temperature.

Turn It Off: If you're going to be in the cold for an extended period, turn the device off completely to prevent accidental firing and preserve battery life.

Use a Lower VG E-Liquid: If you frequently vape in the cold, consider using an e-liquid with a 50% PG / 50% VG ratio. PG is much thinner than VG and will be less affected by the cold.

Avoid Leaving it in a Car: As with phones, never leave your vape in a cold car for long periods.

In short, while a one-time exposure to cold is unlikely to permanently break your device, it will cause temporary performance issues and potential messes. The key is to let it warm up slowly before use.