Uwell Crown 4

Uwell Crown 4

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Uwell Crown 4

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Uwell Crown 4

UWELL Crown 4 (Crown IV) Tank
And here we go again! It is 2018 and Uwell strikes vaping industry with a newer version of everyone’s favourite Crown 3 tank.

With the latest generation Crown 4 tank UWELL features an easy 90 degree twist fill, as well as a humongous 6ml capacity tank. It comes with Stainless Steel carcass, making this tank durable and sleek at the same time. Needless to say, it has top filling design and adjustable airflow.

Crown IV tank features patented self-cleaning technology, which results in reduced leakage. How does it work you’d ask? This atomizer is absorbs the eliquid in the condensation holder through regular usage and further vaporizes it. Simple as that.

Moreover, Crown 4 utilizes 3 different types of coils, one of them is a Double Helix Mesh coil, which delivers even heating and produces an excellent flavor.


  • Product Size: Diameter 28mm × Height 54.8mm
  • Tank Capacity: 6ml
  • Patented self-cleaning technology, no leakage

Coil Specifications:  
a) Dual SS904L Coil 0.2ohm = 70-80W (better corrosion resistance, long-lasting flavour)
b) Dual SS904L Coil 0.4 Ω = 60-70W (better corrosion resistance, long-lasting flavour)
c)FeCrAl UN2 Coil 0.23Ω = 60-70 W (UN2 meshed coil, heats evenly, excellent flavour)

1× Crown 4 (Crown IV) Tank
1× Spare Glass Tube
1× 0.4ohm Coil (Pre-installed)
1× 0.2ohm Coil
1× User Manual
1× Drip Tip Cover

Important: Priming your coils is one of the most important steps before using a new tank/clearomizer and a new coil/atomizer. Priming your coil ensures you won't burn your coil before taking a hit. It also makes sure that the coil lasts as long as possible.

Step 1. Drop e-liquid in the centre of the coil ensuring the juice is soaked up by the cotton and let it slide down so it hits the cotton and wire. Repeat this process on the wick holes on the side of the coil. The juice will soak the cotton and this will ensure that you won't experience a dry hit.

Step 2. Attach your tank and fill with e-liquid then leave it to stand for a minute or two, so that the juice in the tank gets soaked up by the coil/atomizer too.

Step 3. After you have primed the coil and let it sit for a few minutes you should fire your device below the recommended wattage and slowly increase in smaller intervals to ensure your atomizer does not burn out right away. It's recommended that you don't fire your device at maximum recommended wattage until you've puffed on it approximately 10 times.

More Information
Colour N/A
Coil/Wire Type Cotton, Stainless Steel (SS316)
Draw Type Direct Lung (DL), Sub Ohm
Brand UWell
Watts/Temp 70w-100w
Tank Base Diameter 25mm
Thread Type 510 Thread
Airflow and Filling Method Top-Fill, Bottom Airflow, Adjustable Airfow
Tank Capacity 5ml
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