Uwell Caliburn
Uwell Caliburn G4 Pro Pod Vape Kit
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About Uwell Caliburn G4 Pro Vape Kit
The Uwell Caliburn G4 Pro Pod Vape Kit is the latest evolution in the legendary Caliburn series, engineered to deliver unmatched flavour, smooth performance, and exceptional reliability. Designed for both beginners and experienced vapers, the G4 Pro offers a premium experience through smart airflow control, enhanced coil technology, and a refined ergonomic build.
With Uwell’s upgraded Pro-FOCS flavour technology, each puff delivers rich, accurate taste, making it ideal for nicotine salt and freebase e-liquids. The device features smart draw activation, rapid USB-C fast charging, and a sleek metal body that feels premium in hand. Its leak-resistant top-fill pods and secure magnetic connection ensure a clean and hassle-free vape every time. If you're looking for flavour excellence, convenience, and style, the Caliburn G4 Pro is built for you.
Key Features
1. 2.51” Smart Touch Display
The G4 Pro features a vivid, shatter-resistant OLED touchscreen that makes navigation seamless. Adjust wattage, switch modes, or reset your puff counter with a tap. Choose from six engaging UI themes and view essential data like battery life, coil resistance, and puff count in real time.
2. Powerful 1800 mAh Battery with Fast Charging
Engineered for endurance, the built-in 1800 mAh battery supports Type-C 5 V / 2.5 A fast charging, reaching full capacity in under 45 minutes. Combined with Smart Battery Saver Mode, it ensures reliable all-day vaping performance.
3. Adjustable Power & Smart Modes
The Caliburn G4 Pro offers up to 35 W of adjustable power and four advanced vaping modes for complete customisation:
Smart Mode: Automatically detects coil resistance for optimised performance.
Storm Mode: Boosts output for intense flavour and vapour.
Wave Mode: Delivers a smoother, pulsed draw for a cigarette-like inhale.
Custom Mode: Set unique power curves for the start, middle, and end of each puff.
4. Swipe-Down Smart Settings Hub
Access everything from one intuitive menu. Swipe down on the display to open the Smart Settings Hub, where you can:
- Choose from 8 UI languages (including English, Arabic, and French)
- Customise your welcome message
- Adjust screen brightness & timeout
- Activate battery saver and animation control
5. PRO-FOCS 4.0 Flavour Technology
Powered by Uwell’s PRO-FOCS 4.0 flavour system, the Caliburn G4 Pro delivers exceptional taste clarity and vapour density, no matter your e-liquid choice. Every puff feels consistent, smooth, and rich.
6. Stepless Airflow Control
A side-mounted airflow slider allows fine control between MTL (Mouth-to-Lung) and RDL (Restricted Direct-Lung) vaping. Adjust your airflow precisely for tight, cigarette-like draws or airy, open hits.
7. Premium Aluminium Body
Crafted from lightweight aluminium alloy, the G4 Pro combines durability with style. The droplet-shaped e-liquid window makes checking your level effortless, while refined finishes like Pearl Silver, Ink Blue, and Desert Gold add a modern, polished edge.
8. GPP Pod Platform Compatibility
The G4 Pro is compatible with the Uwell GPP and Caliburn G3 pods, giving you flexibility and convenience:
| Resistance | Capacity | Best For | E-Liquid Type |
|---|---|---|---|
| 0.4 Ω | 2 ml | RDL (Freebase 50/50) | 3 – 6 mg |
| 0.6 Ω | 2 ml | Versatile (MTL/RDL) | 6 – 12 mg |
| 1.2 Ω | 2 ml | MTL (Nic Salt 50/50) | 10 – 20 mg |
Available Colours
Choose your style from eight standout colourways:
Desert Gold, Stripe Black, Iron Grey, Pearl Silver, Frost White, Ink Blue, Light Green, Fantasy Pink
Perfect for Nic Salt & 50/50 E-Liquids
The Uwell Caliburn G4 Pro is optimised for nicotine salts and 50/50 freebase e-liquids, ensuring smooth throat hits, quick nicotine absorption, and clean flavour delivery with every puff.
Why Choose the Uwell Caliburn G4 Pro Pod Kit?
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Sleek touchscreen interface for complete control
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Up to 35 W adjustable power with multiple modes
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Smart customisation with 8 languages and themes
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Long-lasting 1800 mAh battery + 2.5 A fast charging
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Compatible with G3 & GPP pods
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Leak-resistant pod system with side-fill design
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Lightweight yet durable premium finish
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Ideal for MTL & RDL vaping styles
How to Use the Uwell Caliburn G4 Pro Vape Kit
Getting started with the Uwell Caliburn G4 Pro is quick and straightforward. Follow these simple steps to set up your device and enjoy a smooth, flavourful vaping experience:
Unbox the Device
Remove the Caliburn G4 Pro and all accessories from the packaging. Ensure all components, including the pod and charging cable, are included.
Prepare the Pod
Take one of the included GPP pods (0.4Ω or 0.6Ω). Remove the protective seals from the contacts and mouthpiece before use.
Fill the Pod with E-Liquid
Open the side-fill port and carefully fill the pod with your preferred e-liquid, ideally a 50/50 freebase or nicotine salt formula. Avoid overfilling to prevent leakage.
Prime the Coil
Allow the filled pod to sit for 2–3 minutes before use. This helps the coil absorb the e-liquid properly, preventing dry hits.
Insert the Pod
Push the pod firmly into the device until it clicks into place. The magnetic connection ensures a secure and stable fit.
Power On & Unlock the Screen
Tap the display to wake the device. Use the touchscreen controls to adjust wattage, switch modes (Smart, Storm, Wave, or Custom), or view puff information.
Adjust Airflow (Optional)
Use the stepless airflow slider on the side of the device to customise your draw, tighter for MTL (mouth-to-lung) or looser for RDL (restricted direct-lung) vaping.
Inhale to Vape
Simply inhale through the mouthpiece to activate. The device delivers a responsive and consistent vape every time.
Recharge When Needed
When the battery indicator shows low power, connect the USB-C cable to recharge. Thanks to 5V/2.5A fast charging, a full charge takes under 45 minutes.
Frequently Asked Questions
What e-liquid is best for the Uwell Caliburn G4 Pro Vape Kit?
The Uwell Caliburn G4 Pro works best with nicotine salt e-liquids that have a 50/50 VG/PG ratio. This provides smooth flavour and consistent vapour. You can also use 50/50 freebase e-liquids if you prefer a stronger throat hit, but high VG (70/30) blends are not recommended as they can affect flavour and coil life.
How long does the Caliburn G4 Pro battery last?
The Caliburn G4 Pro features a 1000mAh rechargeable battery that easily lasts a full day for moderate users. It supports 2.5A USB-C fast charging and can fully recharge in about 40 to 45 minutes. Battery duration may vary depending on your wattage setting and how frequently you vape.
Are Caliburn G and G2 pods compatible with the G4 Pro?
No, the Caliburn G4 Pro only supports GPP pods, designed specifically for this model. These pods deliver better coil performance, improved leak resistance, and enhanced flavour compared to older Caliburn pods.
When should I replace the Caliburn G4 Pro pod?
Replace the pod when you start noticing a burnt or dull flavour, reduced vapour, or darker e-liquid. On average, a pod lasts for about 10 to 15 refills depending on your usage. Replacing it regularly ensures better flavour and a smooth vaping experience.
Does the Caliburn G4 Pro use a button or auto draw system?
The Caliburn G4 Pro is designed with a button-free auto-draw system. You simply inhale through the mouthpiece to activate the vapour, making it simple and ideal for beginners or users who prefer convenience.
What is the wattage range of the Caliburn G4 Pro?
This device supports a 5W to 35W adjustable wattage range. You can manually change the wattage using the touchscreen or activate Smart Mode, which automatically sets the best power level based on your installed coil.
How does the airflow adjustment work?
The Caliburn G4 Pro features a precision airflow slider on the side. You can adjust it for a tighter mouth-to-lung (MTL) draw or a looser restricted direct-lung (RDL) experience, giving you full control over your preferred inhale style.
Does the Caliburn G4 Pro prevent leaking?
Yes, the GPP pods are equipped with Uwell’s Pro-FOCS flavour technology and a triple-seal anti-leak design. This advanced system minimizes condensation and prevents e-liquid from leaking, keeping your vape clean and mess-free.
What information does the G4 Pro screen display?
The smart OLED touchscreen shows all key vaping details, including wattage, battery percentage, coil resistance, puff counter, and current mode. It’s easy to read, responsive, and makes adjusting settings quick and simple.
How can I clean and maintain my Caliburn G4 Pro Kit?
To maintain performance, clean the pod and device contacts with a dry cloth weekly. Avoid water exposure, always store the device upright, and use only genuine Uwell pods and coils. Proper maintenance ensures the best flavour and extends device lifespan.
Shipping & Delivery Information
At E-liquid Base, we are committed to providing fast, reliable, and secure shipping across the UK.
To make your shopping experience smooth and hassle-free, we offer multiple payment options including
Cash on Delivery (COD) and Bank Transfer.
Please review the details below for our shipping policies.
Delivery Schedule
- Orders placed before 2:00 PM (Mon–Fri): Dispatched the same day
- Orders placed after 4:00 PM (Mon–Thu): Dispatched the next morning
- Orders placed after 4:00 PM on Friday: Processed and dispatched on Monday
- Delivery Time: 2–3 working days (may vary during public or national holidays)
Shipping Charges
- Standard Delivery: £2.99 for orders under £25 (2–3 working days)
- Free Delivery: On all orders above £25 (2–3 working days)
- Royal Mail First Class Delivery: £3.99 (1–2 working days)
- Guaranteed Next-Day Delivery: £7.99 (Mon–Fri, orders before 2:00 PM; excludes weekends)
Courier Partners
To ensure timely and safe deliveries, we work with trusted courier services including Royal Mail.
While we take great care to process your order efficiently, we cannot be held responsible for delays or errors
caused by third-party couriers.
Important Information
- Customers must report any damaged, faulty, or incomplete packages within 3 days of receiving their order. Supporting images/videos may be required.
- Shipping charges are non-refundable.
- Orders will not be processed for individuals under 18 years of age.
If you suspect a minor has placed an order, please notify us immediately at info@eliquidbase.co.uk.
Need Help?
Email: info@eliquidbase.co.uk
Phone: 0161 394 1224
WhatsApp: +44 7979841684
Return & Refunds Policy
At E-liquid Base, we stand by the quality of our products and guarantee that every item is 100%
authentic and original. If you receive an incorrect, damaged, or defective product, we make the return and refund
process simple and transparent. Before requesting a return or refund, please review our terms below.
Eligibility for Returns and Refunds
- The product you received is faulty, damaged, or non-functioning.
- You received the wrong item.
- You wish to return an item for personal choice, provided it is unopened, unused, and in its original packaging.
Non-returnable Products
For hygiene and safety reasons, the following products cannot be returned or refunded once opened or used:
- E-liquids
- Coils and Tanks
- Batteries
- Atomizers
- Drip Tips and Mouthpieces
- Opened or Used Pods
- Any Clearance Sale Items
Refund Policy
- Refunds will only be issued to the original payment method used at checkout.
- Customers must notify us via info@eliquidbase.co.uk within 3 days of delivery if the product is damaged, faulty, or defective.
- Refunds will not be granted for items returned without a manufacturing fault.
- Shipping charges are non-refundable, and return postage costs are the customer’s responsibility unless the item is faulty.
- Approved refunds are processed within 30 working days after the returned product is received and inspected.
Returns Policy
- All return requests must be made within 3 days of delivery.
- For items without a manufacturing defect, the product must be unopened, unused, and in original packaging.
- Disposables: must be reported within 1 day of delivery if faulty.
- Pod systems/devices: must be reported within 5 days of delivery if faulty.
- Customers may exchange a product for another of the same price or pay the difference for a higher-priced item.
Returns & Refund Procedure
- Notify us via email or WhatsApp within 3 days of delivery.
- Include your order number, product photo, and a short explanation of the issue.
- Once approved, we’ll provide you with return instructions.
- Securely pack the product to prevent damage during transit.
- Once we receive and inspect the item, your refund or exchange will be processed.
What's in the Box
Specifications
Why Choose E-liquid Base?
Fast & Reliable Delivery
Enjoy free delivery when you spend over £25 with same-day dispatch on orders placed before 2pm, Monday to Friday.
Flexible Shipping Options
Whether you need standard delivery, first class, or guaranteed next-day, we’ve got you covered.
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Our customers choose us for our quality products and smooth, reliable shopping experience.
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