UWELL Crown 4 Tank


The UWELL Crown 4 Tank is a hand-polished tank featuring patented self-cleaning technology. The Crown 4 atomizers can absorb the e-liquid in the condensation holder through regular usage and vaporize it, reducing the possibility of juice leakage and reduces the need for cleaning.

Don't Forget E-Liquid!

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UWELL Crown 4 Tank Specs:

  • 28mm Diameter
  • 54.8mm Height
  • 55g Net Weight
  • 6ml with Bubble Glass
  • 5ml with Standard Glass
  • Patented Self-Cleaning System
  • Stainless Steel, Glass, and Silicone Construction
  • 510 Thread
  • Hand Polished


  • 1x UWELL Crown IV Tank
  • 1x Spare Glass Tube
  • 1x 0.4-ohm Coil (pre-installed)
  • 1x 0.2-ohm Coil
  • 1x Pack of Replacement O-Rings
  • 1x User’s Manual
  • 1x Drip Tip Cover
Additional information

Additional information

Weight 10 oz

Stainless Steel, Black, Sapphire Blue, Purple, Iridescent, Green

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Shipping & Delivery / Disclaimer

We ship to the USA and its territories only at this time.

Order Processing Time

Orders are processed Monday-Friday with the exception of holidays observed by USPS.

There is a 24-72 hour processing time for all orders regardless of shipping method selected. However, we are working to get your order shipped out as soon as possible.

If you receive a shipping confirmation between Friday and Sunday, please be aware that your package has been packed but may not have left yet. Thank you for your understanding.

Please Note: We do not process orders on Sundays and all major holidays! Your order will continue processing the following business day.


Warning: Never use a short or flat 510 connection on any hybrid or hybrid-style device. If you are not sure whether this pertains to your particular setup, DO NOT assemble and use. Always use proper precautions and handling.

NOTE: Descriptions, specifications, and claims are based on manufacturer information. Information listed and provided are to be used at the sole discretion of the consumer and are not representative of analysis, testing, and verification by TheCloudyVapor and any and all of TheCloudyVapor's parent and subsidiary companies. There is an intrinsic risk with the use of any and all rechargeable batteries in any situation. TheCloudyVapor and any and all of TheCloudyVapor's parent and subsidiary companies are not responsible for damage if there is any modification of the batteries/chargers in any form or shape (including pack making). TheCloudyVapor and any and all of TheCloudyVapor's parent and subsidiary companies are not responsible for any damage caused by the misuse and/or mishandling of Li-ion (Lithium-ion), LiPo (Lithium-ion Polymer) and any rechargeable batteries and chargers.

When working with Li-ion (Lithium-ion), LiPo (Lithium-ion Polymer) and any rechargeable cells, please be cautious and use special care as they are very sensitive to charging characteristics and may explode or burn if mishandled. Please make sure that you have enough knowledge on all rechargeable batteries before you use them. Always charge batteries in a clean and fire-proof surface. Never leave charging batteries unattended. If you see that there are visible damages on the batteries, please do not use. Always keep, store and transport the rechargeable cells in a safe, non-conductive container in a controlled environment. Dispose of all battery cells and chargers in accordance to local laws and mandates.

Prop 65

Consuming this product can expose you to Nicotine, which is known to the State of California to cause birth defects or other reproductive harm.