Refilling your own e-liquid is an amazing way to save money while also ensuring that you receive the precise taste you want. You can also cut down on plastic waste by replacing empty cartridges.

The UWELL Caliburn A2 device is one of the simplest to refill, but it does require some care. Here are some suggestions for recharging your Caliburn A2 device:

Step 1: Take the cartridge out of the tank and remove the mouthpiece.

Step 2: Remove the atomizer base from the tank by unscrewing it from the cartridge.

Step 3: Fill a syringe or dropper with e-liquid and place a few drops into each of the atomizer base’s holes.

Step 4: Replace the cartridge in your tank and screw the atomizer base back onto it.

Cleaning UWELL Caliburn A2 Device Cartridge

A cotton swab or q-tip dipped in isopropyl alcohol is the best way to clean UWELL Caliburn A2 device cartridge (IPA). If you don’t have IPA, you can use a moist cotton swab or a paper towel.

Before cleaning, make sure the battery has been unplugged for at least 30 minutes.

Drain the mouthpiece from the tank and use a pipette or syringe to remove any residual e-liquid from the tank.

Place any remaining e-liquid in a secure location away from children and pets. If there was any e-liquid left in the tank after removing it from your vape pen, you should wipe it down with a paper towel before emptying any residual liquid into a safe place away from children and pets.

In a cup, combine hot water and rubbing alcohol or vodka.

Fill your cartridge with the freshly created liquid and soak it for a few minutes.

Shake out any excess liquid from the cartridge before rinsing it several times with warm water to remove any soapy residue.

Dry your cartridge with a paper towel before reinstalling it in your tank!

Using an alcohol swab or a cotton swab dipped in IPA, gently wipe down the outside of your UWELL Caliburn A2 device tank until all residue is removed from around the cartridge opening.

The Benefits of Cleaning a UWELL Caliburn A2 Device Cartridge

Here are some advantages of cleaning your UWELL Caliburn A2 device cartridge:

  • It Remains Fresh – Cleaning is essential if you want to keep your vape fresh and free of any unwanted residue or flavours.
  • Increased longevity – Keeping your vape cartridge clean has numerous advantages, including making it last longer! Cleaning can assist prevent any unwanted residue from accumulating inside the tank and causing leaks or gadget failures.
  • Improved Taste – Using a dirty vape cartridge can have an impact on how good your e-liquid tastes. Too much buildup in your tank can interfere with how well vapour passes through the wick and into your mouth or lungs. This can result in bad-tasting e-liquids, defeating the purpose of vaping in the first place!


Refilling a UWELL Caliburn A2 device guarantees having a regular level of juice in the tank, with little risk of unintentional leaks and minimal maintenance. You may buy coils and oils online, or you can get your hands dirty and build your own, which won’t have a functionality assurance.

Refills and cleanings can both be messy if you’re not careful. That’s all there is to it—but if you want exceptional flavour, you must do this on a regular basis. After a few fills, your e-juice will begin to taste like pure vapour or hot air, indicating a well-used tank.


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