---
title: Uwell Crown 4 tank
date: 2025-10-29T17:09:25Z
modified: 2026-06-29T12:11:46Z
permalink: "https://rainbowvapes.co.uk/product/uwell-crown-4-tank/"
type: product
status: publish
excerpt: Delivers powerful performance with exceptional flavour and smooth airflow. Featuring self-cleaning technology to reduce leaks, a convenient top-fill design, and advanced coil options, it’s a premium DTL tank built for reliability and dense vapour production.
wpid: 285255
product_brand:
  - Uwell
product_type:
  - variable
product_cat:
  - Uwell
  - tank
featured_image: /wp-content/uploads/2025/10/uwell-crown-4-green-tank.jpg
featured_image_alt: uwell crown 4 tank
timestamp: 2026-06-29T12:11:46Z
tags:
  - Uwell
  - variable
  - tank
---

# **Uwell Crown IV Sub-Ohm Tank**

The **Uwell Crown IV Tank** continues the legendary Crown series legacy, delivering powerful performance, refined design, and cutting-edge innovation. Built with premium stainless steel and Pyrex glass, this sub-ohm tank is engineered for vapers who want **intense flavour, smooth airflow, and hassle-free maintenance**.

Featuring Uwell’s **patented self-cleaning technology**, the Crown IV helps reduce leakage and condensation build-up, giving you a cleaner and more efficient vaping experience. Combined with advanced coil options and a user-friendly top-fill system, this tank is a true all-round performer.

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## 🔥 **Key Features**

- 🛠️ **Premium Build Quality**
    Crafted from durable **stainless steel and Pyrex glass** for a sleek, long-lasting finish
- 💧 **Self-Cleaning Technology**
    Innovative design absorbs condensation and re-vaporises it – helping reduce leaks and mess
- 🌪️ **Adjustable Bottom Airflow**
    Fully adjustable airflow control for a **smooth and customisable draw**
- 🔝 **Top-Fill Design**
    Quick and convenient top-fill system makes refilling clean and effortless
- 🔗 **510 Connection**
    Compatible with a wide range of vape mods

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## ☁️ **Advanced Coil Compatibility**

The Crown IV is designed to deliver **rich flavour and dense vapour** thanks to its high-performance coil range:

- 🔩 **Dual SS904L Coils** – Enhanced corrosion resistance and longevity
- 🔥 **Double Helix Mesh Coil** – Even heating for **maximum flavour production**

### Included & Compatible Coil Options:

- ⚡ **0.2Ω Dual SS904L Coil** (70–80W) – Powerful vapour and intense flavour
- ⚡ **0.4Ω Dual SS904L Coil** (60–70W) – Balanced performance
- ⚡ **0.25Ω SS304 UN1 Coil** (55–65W) – Smooth and flavourful
- ⚡ **0.23Ω FeCrAl UN2 Coil** (60–70W) – Fast ramp-up and strong output

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## 📦 **Product Specifications**

- 📏 **Diameter:** 25.7mm
- 📐 **Size:** 54.8mm x 25.7mm
- 💦 **E-liquid Capacity:** 2ml (TPD compliant)
- 🏗️ **Material:** Stainless Steel & Pyrex Glass
- 🔌 **Connection:** 510 Thread

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## 📦 **What’s in the Box?**

- 1 x Uwell Crown IV Tank
- 1 x 0.4Ω Coil (Pre-installed)
- 1 x 0.2Ω Coil
- 1 x Replacement O-Ring Pack
- 1 x Drip Tip Cover
- 1 x User Manual

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## 💨 **Why Choose the Uwell Crown IV Tank?**

If you’re looking for a **reliable sub-ohm tank with exceptional flavour, innovative leak-resistant design, and premium build quality**, the Crown IV is a standout choice. Perfect for **direct-to-lung (DTL) vaping**, it delivers a consistently satisfying experience with every puff.

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**Upgrade your setup with the Uwell Crown IV – where innovation meets performance.**