Uwell Caliburn G4 Pro Review: Price & Availability UK 2025

The Uwell Caliburn has earned a solid reputation among UK vapers for advertising fashionable designs, strong execution, and extraordinary flavour. Each release in the Caliburn line has raised the bar, and the most recent addition, the Uwell Caliburn G4 Professional, continues that tradition.

Blending innovative highlights with user-friendly design, the G4 Pro is built for both beginners and experienced vapers. In this survey, we’ll take a closer look at its design, details, execution, refill system, colour choices, and everything you need to know before buying it.

Why Vapers Adore the Uwell Caliburn Series

The Caliburn family has always focused on simplicity, quality, and satisfaction. Here’s why vapers keep coming back:

• Wide appeal – perfect for both new vapers and experienced users.
  
• Balanced flavour and vapour production.
  
• Affordable compared to disposables.
  
• Trusted Uwell build quality with smooth, solid designs.
  

Design and Build Quality

The Uwell Caliburn G4 Pro has the smooth, sleek look for which it is famous, only with a new attitude. It is really easy to carry around in your pocket due to its light, yet tough construction. Each time you use it, the smoothness is assured through the curved edges and smooth mouthpiece that you hold in your hand.

Uwell Caliburn G4 Device Key Features

Here’s a quick outline of what makes the G4 Professional stand out:

What’s in the Uwell Caliburn G4 Device Kit?

When you buy the G4 Professional, here’s what’s included in the box:

• 1 x Caliburn G4 Unit System
  
• 1 x 0.4 Ω Caliburn G3 Pod
  
• 1 x 0.9 Ω Caliburn G3 Pod
  
• 1 x Type-C Charging Cable
  
• 1 x User Manual
  

This makes it a complete starter bundle for both new and existing vapers.

How the Refill System Works

The genius version of the Caliburn G4 refill system lies in its ease of use. It is using Caliburn G3 pods, which are leak-resistant and top-filled. Refilling the selected e-liquid is straightforward in that one simply pulls off the mouthpiece and tilts the pod slightly to avoid overflow and also Uwell Caliburn GPP Pods also known as G4 pods, designed for convenience, its side-fill system allows easy refilling while minimizing mess.

New users who do not wish to endure the inconvenience of complicated setups will enjoy this simple yet effective system, which promises less mess and more vape time.

Specifications of the Uwell Caliburn G4 Pro

• Battery: 1300mAh USB-C rechargeable
  
• Capacity: 2ml (TPD-compliant)
  
• Coils: 0.4 Ω and 0.9 Ω pods included
  
• Output: Up to 35W
  
• Screen: 0.85” OLED colour display with day/night mode
  
• Airflow: Slider + pod orientation adjustments
  
• Modes: Waves for smooth, Storm for bold
  

Performance and Flavour Delivery

Uwell’s Pro-FOCS flavour technology powers the G4 Pro, delivering consistently rich flavour and smooth vapour. The 0.9 Ω pod works beautifully with nic salts for a tighter MTL draw, while the 0.4 Ω pod shines for direct-lung vaping with stronger flavour intensity.

Storm mode enhances flavour and vapour for those who want an extra kick, while Waves mode keeps things smooth and mellow.

Coils and Pod System

The G4 Pro uses Caliburn G3 pods, giving you flexibility with both 0.4 Ω and 0.9 Ω coils. Refilling is straightforward, and the pods are designed to minimise leaks. Coils last longer than usual, making this device more cost-efficient.

Battery Life and Charging

The 1300mAh battery ensures a full day of vaping for most users. Fast USB-C charging means you can recharge in under an hour. The OLED screen clearly displays battery percentage so you’ll never be caught off guard.

Pro Tips for Using the G4 Pro

• Use 20–25W with 0.4 Ω pods for a bolder, direct-lung hit.
  
• Use 13–18W with 0.9 Ω pods for smoother MTL or nic salt vaping.
  
• Lock the device (2 clicks) before carrying to avoid misfires.
  
• Tilt slightly when top-filling to prevent overflow.
  
• Charge before dropping below 10% to extend battery life.
  
• Switch to Storm mode with low-resistance pods for stronger flavour.
  
• Adjust airflow with both the slider and pod orientation for custom control.
  

What Does the HD Screen Show on the Caliburn G4 Pro?

The new HD colour screen is a major upgrade. It displays:

• Battery percentage
  
• Coil resistance
  
• Puff counter
  
• Vape mode (Waves or Storm)
  
• Wattage settings
  
• Day/night brightness options
  

Colour Choices for the Uwell Caliburn G4 Pro

The Uwell Caliburn G4 Pro is available in 8 eye-catching colours:

• Seashell White
  
• Glacier Blue
  
• Karst Grey
  
• Flamingo Red
  
• Twilight Silver
  
• Gunmetal Grey
  
• Sahara Gold
  
• Polar Black
  

Pros 

• Outstanding flavour delivery
  
• USB-C fast charging
  
• Pocket-friendly and stylish
  
• Customisable airflow and vape modes
  
• Bright OLED colour screen
  

Comparison with Past Models

Compared to the Caliburn G3, the G4 Pro brings:

• A dynamic OLED colour screen
  
• New Storm mode for stronger performance
  
• More precise airflow adjustments
  
• Faster charging and better battery efficiency
  

It’s a strong step forward in the Caliburn lineup.

Who Should Buy the Uwell Caliburn G4 Pro?

This unit is perfect for:

• Beginners upgrading from disposables
  
• MTL vapers looking for smooth flavour with nic salts
  
• Anyone who values style, simplicity, and performance
  
• Vapers who want a versatile kit without the hassle of mods and tanks
  

FAQs

What coils are compatible with the Uwell Caliburn G4 Pro?

The G4 Professional works with 0.4 Ω and 0.9 Ω Caliburn G3 pods.

Can I use nic salts in the G4 Pro?

Yes, the 0.9 Ω pods are perfect for smooth nic salt vaping.

How long does the battery last?

The 1300mAh battery lasts most users a full day.

Is the G4 Professional better than the G3?

Yes, with Storm mode, an OLED screen, and improved airflow, it’s a clear upgrade.

Final Thoughts

The Uwell Caliburn G4 Pro delivers exactly what modern vapers want — style, flavour, and performance in one compact unit pack. With advanced highlights like Storm mode, a bright OLED screen, and fast charging, it’s one of the best vape kits of 2025.

Purchase the Uwell Caliburn G4 Pro at Vapour Deal today and take advantage of exclusive discounts, we offer the best prices online that is affordable for everyone. Upgrade your vape setup and enjoy unmatched value.