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The Gold Standard in Pod Vapes
Exceptional flavor, leak-resistant design, and unmatched reliability since 2019. Find your perfect Caliburn from Canada's largest selection of open pod systems.
Last updated: February 2026
Find Your Caliburn
Compare the current lineup at a glance. All G-series and Koko models share the same GPP pod ecosystem.
| Model | Battery | Output | Display | Price | Best For |
|---|---|---|---|---|---|
| Caliburn G4Popular | 1300mAh | 35W | Color | $32.25 | Adjustable wattage, features |
| Caliburn G4 Pro | 1800mAh | 35W | 2.51" Touch | $44.50 | Premium touchscreen |
| G4 Pro KokoNew | 2000mAh | 35W | Touchscreen | $35.75 | Box-style, biggest battery |
| Caliburn G4 MiniValue | 1100mAh | 35W | None | $22.99 | Compact, budget-friendly |
| Caliburn G3 | 900mAh | 25W | OLED | $41.99 | Proven reliability |
| G3 Lite Koko | 1200mAh | 25W | LED | $19.99 | Lightweight, lanyard carry |
| Caliburn AZ3 | 520mAh | 16W | LED | $21.50 | Ultra-compact, travel |
The G Series Explained
Uwell's flagship platform. Each generation builds on proven tech while adding meaningful improvements.
Caliburn G4 Popular
Full-color animated display shows battery, wattage, and puff count at a glance. Two output modes: Storm for punchy hits, Wave for smooth consistency. The sweet spot for most vapers who want control without complexity.
Caliburn G4 Pro
2.51-inch touchscreen with tap-to-adjust controls. Six UI themes, device naming, and precise 1W adjustments. Maximum control without stepping up to a full kit.
G4 Pro Koko New
The biggest battery in the Caliburn lineup at 2000mAh. Same touchscreen and adjustable wattage as the G4 Pro, but in the square box-style form factor with a lanyard loop. Ideal for neck carry.
Caliburn G3
The proven choice with OLED display and 47g weight. Rock-solid reliability that many vapers keep as a backup or travel device. Our pod systems review covers how the G3 compares to other leading devices.
Koko Models: Box-Style Design
Every major Caliburn release comes in a Koko variant. The square mini-box shape includes a lanyard loop for hands-free carrying. Inside, Koko models use identical technology and pods as their stick counterparts. Current options include the G4 Pro Koko (2000mAh touchscreen) and G3 Lite Koko (1200mAh, our most affordable Caliburn at $19.99).
A-Series: Ultra-Compact
The Caliburn AZ3 is designed for vapers who prioritize pocketability above all else. A smaller battery (520mAh) and lower wattage (16W) trade power for a size that practically disappears in your hand. Note that A-series devices use their own pod system, not the GPP pods found in G-series devices.
Pod Compatibility
One of Caliburn's biggest advantages is cross-compatibility within the GPP ecosystem.
Universal GPP Compatibility
G3, G3 Lite, G3 Pro, G4, G4 Mini, G4 Pro, and all Koko variants use the same GPP pods. Upgrade your device without replacing your pod collection. Browse all refillable pods or check our guide on the easiest pod vapes to refill.
Choosing Pod Resistance
Different coil resistances suit different styles. Our coil technology guide covers these choices in more detail.
A-Series Pods Are Different
The AZ3 uses its own A-series pod system. These are not compatible with G-series or Koko devices. Check our coils and pods collection for all available options.
Why Choose Caliburn?
Caliburn has been the top-selling refillable pod system worldwide since 2019. Here is why.
PRO-FOCS Flavor Tech
Specialized mesh coils deliver pure, unaltered flavor. PRO-FOCS 4.0 extends coil life by 35%.
Leak-Resistant Design
Ultrasonic welding and U² Anti-Leak Technology minimize leaking far better than competitors.
Reliable Draw Activation
Calibrated sensors activate on gentle inhales without pocket firing. Button option available on select models.
Aluminum Alloy Build
Real metal construction with magnetic pod connection. Built to last, not disposable.
If you are new to refillable pod systems, our beginner's guide walks through everything from setup to your first fill. For help deciding between refillable and pre-filled options, see our pre-filled vs refillable guide.
Pairing Caliburn With E-Liquid
Choosing the right juice makes a significant difference in your Caliburn experience.
Caliburn devices excel with nicotine salt e-liquids in the 10-20mg range. The higher resistance coils (0.6-1.2Ω) and lower wattage produce a smooth, satisfying mouth-to-lung draw that pairs perfectly with nic salts. Our nicotine strength guide helps you find the right level.
Freebase e-liquids in 3-6mg also work well, especially with the 0.4Ω and 0.6Ω pods. A 70/30 VG/PG ratio delivers the best balance of vapor production and flavor with Caliburn mesh coils. Looking for flavors? Browse our bestselling products.
If your coils are burning out quickly, sweet dessert and candy flavors contain more sweetener, which shortens coil life. Menthol, fruit, and tobacco blends tend to be easier on coils. Our pod troubleshooting guide covers common issues and fixes.
Need Help Choosing?
Visit any of our 20 Ontario locations to try Caliburn devices in person, or browse our curated nic salt collection.
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How does Caliburn compare to other pod systems?
Caliburn is the gold standard in refillable pod vapes, known for flavor quality and build. For a no-maintenance alternative, consider disposable vapes from brands like Geek Bar, Elf Bar, or STLTH. For help choosing between styles, read our pre-filled vs refillable guide.