Uwell Caliburn G4 Pod Vape Kit
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What is the Uwell Caliburn G4 Vape Kit?
The Uwell Caliburn G4 Vape Kit is a compact pod vape kit made for both MTL (mouth-to-lung) and RDTL (restricted direct-to-lung) vaping. It features a 1300mAh built-in battery, up to 35W output, adjustable airflow, and a slim design that makes daily vaping simple and practical.
The Uwell Caliburn G4 device also works with Uwell Caliburn GPP Pods, giving you more flexibility to match your preferred vaping style. With refillable pods and built-in mesh coils, it is designed to deliver strong flavour, smooth vapour, and easy upkeep without separate coil changes.
If you want a reliable vape kit that feels easy to use but still offers more control over airflow and performance, the Uwell Caliburn G4 is a strong choice for everyday vaping.
What are the Key Specifications of Uwell Caliburn G4?
The Uwell Caliburn G4 vape kit offers the following specifications:
| Feature | Details |
|---|---|
| Product type | Refillable pod vape kit |
| Battery capacity | 1300mAh built-in battery |
| Output range | 5W–35W |
| Vaping styles | MTL and RDTL |
| Pod capacity | 2ml |
| Coil type | Built-in mesh coil pods |
| Activation | Button fire and inhale activation |
| Airflow | Adjustable airflow |
| Charging | USB-C |
| Pod compatibility | Caliburn G3 pods and selected GPP pods |
| Display | Screen for wattage, battery, and device information |

Why Choose the Uwell Caliburn G4 Pod Kit?
The Uwell Caliburn G4 kit offers more control than a basic starter vape, but it stays simple to use. You get fast setup, reliable flavour, and flexible pod options in one pocket-friendly device.
Key Benefits
The Uwell Caliburn G4 pod kit has the following key benefits:
- Delivers up to 35W for a stronger and warmer vape
- Runs on a 1300mAh built-in battery for longer use between charges
- Supports both MTL and RDTL inhale styles
- Uses adjustable airflow for a tighter or looser draw
- Works with compatible Caliburn G3 pods and selected GPP pods
- Reduces maintenance with built-in mesh coil pods
- Shows key settings clearly on the display
- Refills easily with a practical top-fill pod design
This balance of convenience and control is why many users search for the Uwell Caliburn G4 pod vape kit instead of a simpler disposable-style device.
How Does the Uwell Caliburn G4 Pod System Perform?
The Uwell Caliburn G4 pod system performs well because it gives you three things many vapers want: strong flavour, flexible draw control, and simple operation.
Battery Performance
The 1300mAh battery is large for a compact pod vape. It suits all-day moderate use better than many smaller pod kits. That makes the Uwell Caliburn G4 vape practical for work, commuting, and travel.

Power Control
The device can output 5W to 35W. Lower wattage suits tighter MTL vaping and higher-resistance pods. Higher wattage suits lower-resistance pods and a warmer, denser RDTL vape.

Airflow Control
The airflow adjustment helps you tailor the inhale to your preference. A tighter airflow creates a more restricted cigarette-style MTL draw, while a looser airflow produces a smoother and airier RDTL vape.

Pod Simplicity
The pods use integrated mesh coils, so you replace the full pod once the coil reaches the end of its lifespan. This design reduces coil changes, keeps maintenance simple, and supports consistent flavour.

Which Pods Can You Use With the Uwell Caliburn G4?
The Uwell Caliburn G4 pod vape is commonly described as compatible with Caliburn G3 pods and selected Caliburn GPP pods, depending on resistance option and retailer listing.
Commonly Referenced cCompatible Pod Options
The Uwell Caliburn G4 is compatible with the following commonly referenced pod options:
| Pod type | Resistance | Typical use |
|---|---|---|
| Caliburn G3 Pod | 0.4ohm | Warmer RDTL vape |
| Caliburn G3 Pod | 0.6ohm | RDTL / looser MTL |
| Caliburn G3 Pod | 0.8ohm | Balanced MTL |
| Caliburn G3 Pod | 0.9ohm | MTL |
| Caliburn G3 Pod | 1.0ohm | Tighter MTL |
| Caliburn GPP Pod | 0.4ohm | Higher-power RDTL |
| Caliburn GPP Pod | 0.6ohm | RDTL |
| Caliburn GPP Pod | 0.9ohm | MTL |
| Caliburn GPP Pod | 1.2ohm | Tight MTL |
What Does Pod Resistance Mean For Your Vape?
- 0.4ohm to 0.6ohm pods produce more vapour and a warmer inhale
- 0.8ohm to 1.2ohm pods suit a tighter draw and lower power vaping
Compatibility can vary by stock version and regional packaging. Check the retailer’s pod list before purchase. E-liquid choice matters just as much, which is covered next.
Which E-liquid Works Best With the Uwell Caliburn G4 Kit?
The best e-liquid depends on the pod resistance you use.
Best E-liquid Guide
The Uwell Caliburn G4 works best with different e-liquids depending on the pod you choose:
| Pod resistance | Best e-liquid type | Vaping style |
|---|---|---|
| 0.4ohm | High VG or lower-nicotine e-liquid, where supported by the pod rating | RDTL |
| 0.6ohm | 50/50 e-liquid or nicotine salt, depending on preference | RDTL / loose MTL |
| 0.8ohm | 50/50 e-liquid or nic salt | MTL |
| 0.9ohm | 50/50 e-liquid or nic salt | MTL |
| 1.0ohm / 1.2ohm | Nic salt or 50/50 freebase e-liquid | Tight MTL |
How to Use the Uwell Caliburn G4 Vape Kit?
The Uwell Caliburn G4 Vape Kit is easy to use with the following steps:
- Fill the pod with e-liquid.
- Let the pod sit for 10 minutes.
- Insert the pod into the device.
- Adjust airflow and wattage if needed.
- Inhale or press the button to vape.
What is in the Box?
The Uwell Caliburn G4 Vape Kit includes the following items:
- 1 x Uwell Caliburn G4 Device
- 2 x Caliburn G3 Replacement Pod
- 1 x User Manual
FAQs About the Uwell Caliburn G4 Vape Kit
Is the Uwell Caliburn G4 good for beginners?
Yes. The Uwell Caliburn G4 is beginner-friendly because it supports inhale activation, easy pod refilling, and simple controls. It also gives you room to adjust airflow and wattage as your preferences develop.
Is the Uwell Caliburn G4 for MTL or RDTL vaping?
It supports both. The Uwell Caliburn G4 handles MTL and RDTL vaping through adjustable airflow, variable wattage, and a range of compatible pod resistances.
What e-liquid should I use in the Uwell Caliburn G4?
Most users should use 50/50 e-liquid or nicotine salts, especially with higher-resistance pods. Lower-resistance pod options may support thicker liquids where rated for that use.
Does the Uwell Caliburn G4 have adjustable airflow?
Yes. The device includes adjustable airflow, which lets you move from a tighter MTL draw to a looser RDTL inhale.
How do you refill the Uwell Caliburn G4 pod?
You refill the pod through its top-fill design on compatible pods. Open the fill point, add e-liquid carefully, then close it securely before use.
Is the Uwell Caliburn G4 a good alternative to disposables?
Yes. The Uwell Caliburn G4 offers rechargeability, refillable pods, and more control over airflow and power. That makes it a practical reusable alternative for adult vapers.
Where to buy Uwell Caliburn G4 starter kit?
You can buy it from trusted UK vape retailers such as Royal Vapery. Check for TPD compliance, authenticity, and age verification before you order.
Royal Vapery dispatches all UK orders the same working day on orders placed before 3pm. Free next-day delivery applies to orders over £20 via Royal Mail Tracked 24. Standard delivery starts from £2.99.
Weekend dispatch operates on Saturdays for Monday arrival. Every parcel ships in plain packaging with age-verified handover at the doorstep.