Uwell Crown 4 Tank 6ml


  • 28mm Diameter Base
  • 6.0ml Max Capacity
  • Anti Leak Threaded Top Fill Method
  • Crown 4 Plug and Pull Replacement Mechanism
  • Dual SS904L 0.2 ohm-70 to 80W
  • Dual SS904L 0.4 ohm-60 to 70W
  • Organic Cotton
  • Vertical Coil Design
  • Precision Adjustable Bottom Airflow
  • Stainless Steel Construction
  • Quartz Glass
  • Stainless Steel 510 Threading
  • 24K Gold Plated Contact

Plug and Pull Coil Design:

  • Threadless Design
  • Convenient and Fast Coil Installation and Replacement
SKU: 17995 Categories: ,


Uwell returns in 2018 with the Crown 4, an evolutionary update to one of the most beloved Sub-Ohm Tank platforms in the history of our industry presenting a whopping 28mm diameter base chassis with a 6 ml max capacity along with the new and improved Crown IV Parallel Coil Design. The Crown 4 features a 90 degree threaded top fill method that unscrews to reveal dual fill ports. The Crown 4 utilizes the new and improved Crown 4 Plug and pull replacement coil style, with a threadless design that features reinforced seals to provide a liquid tight fit and finish. Each coil features a vertical coil arrangement and triple vertical wicking slots for rapid wicking. The Crown 4 Replacement Coils consist of unique materials such as the SS904L and the FeCrAl (Iron, Chromium, Aluminum) Coils. The Crown 4 Coil Family comes with a 0.2 ohm Dual SS904L coil head rated at 70 to 80W, a 0.4 ohm Dual SS904L coil head rated at 60 to 70W, a 0.25 ohm SS304 UN1 coil head rated at 55 to 65W, and finally the 0.23 ohm FeCrAl UN2 coil head rated at 60 to 70W. All in which contains organic cotton. The adjustable bottom airflow makes for smooth and effective airflow, and can be fully closed to seal the system effectively. The Uwell Crown 4 is an excellent midwattage tank with superior construction, a convenient Plug and Pull coil system, and ergonomic designs throughout.

Additional information


Black, Blue, Green, Iridescent, Purple, Silver


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