2″ TOUCHSCREEN • 35W • 2000mAh
Uwell Caliburn G4 Pro Koko
A next-generation Koko pod system developed with a smart touchscreen, three output modes, a 2000mAh battery, and GPP pod support.
Uwell Caliburn G4 Pro Koko allows you to manage device settings directly on screen, introducing a smart touchscreen to the Koko series for the first time. Featuring a maximum output of 35W and a 2000mAh built-in battery, it delivers powerful performance in a compact body.
You can adjust wattage, output mode, screen brightness, screen timeout, animations, and battery saver settings directly on the device. Support for eight different menu languages enhances daily usability.
Uwell Caliburn GPP Replacement Pods
Explore current resistance options for GPP pods compatible with the G4 Pro Koko.
Explore Replacement GPP Pods
Smart Touchscreen
The Caliburn G4 Pro Koko is the first model in the Koko series to feature a touchscreen interface. Thanks to its responsive display, core features can be accessed directly without complex button combinations.
Wattage Control
Set power levels on screen to match your attached pod resistance.
Brightness & Screen Timeout
Adjust display brightness and auto-off timing according to your preference.
Eight Language Options
Supports English, Arabic, Spanish, French, Russian, Italian, German, and Indonesian.
Smart System Settings
Manage animations, battery saving modes, and system reset options from a single menu.
Three Distinct Output Modes
Storm Mode
Engineered for users seeking faster power response and a more pronounced throat hit.
Waves Mode
Delivers smooth, balanced power output for consistent flavor delivery.
Customize Mode
Allows output character customization based on personal draw and flavor preferences.
Five Collectible UI Themes
Discover five distinct UI themes through the device's interactive card-drawing feature, customizing the display look with unique visual styles.
You can also assign a custom name to the device via the Clean UI option to display your chosen personal name on screen.
Caliburn GPP Pod Compatibility
The Caliburn G4 Pro Koko is compatible with both previous and enhanced Caliburn GPP pods. The updated GPP pods feature an ergonomic mouthpiece, PRO-FOCS flavor technology, and a U² leak-prevention design.
Enhanced top-fill GPP pods allow e-liquid refilling without removing the pod from the device. Filling mechanisms on previous-generation pods may vary depending on the pod version.
| Resistance |
Vaping Profile |
Package Status |
| 0.4Ω |
Airier draw and higher power output |
Included in box |
| 0.6Ω |
Balanced RDL and open MTL draw |
Included in box |
| 0.9Ω |
Balanced and tighter MTL draw |
Sold separately |
| 1.2Ω |
Low-wattage tight MTL draw |
Sold separately |
Check the replacement GPP pod page for current pod resistances and stock options.
Uwell Caliburn G4 Pro Koko Technical Specifications
| Dimensions |
85.8 × 50 × 23 mm |
| Battery |
2000mAh built-in battery |
| Maximum Output |
35W |
| Display |
2-inch smart touchscreen |
| Activation |
Auto-draw activation |
| Output Modes |
Storm, Waves, and Customize |
| Pod Compatibility |
Uwell Caliburn GPP pod series |
| Pod Capacity |
3 ml standard / 2 ml TPD |
| Coil Structure |
Integrated mesh coil in pod |
| Filling System |
Top or side filling depending on pod version |
| Airflow |
Adjustable airflow system |
| Pod Connection |
Magnetic |
| Charging |
USB Type-C |
Package Contents
- 1 × Uwell Caliburn G4 Pro Koko device
- 1 × Caliburn GPP 0.4Ω pod (3 ml)
- 1 × Caliburn GPP 0.6Ω pod (3 ml)
- 1 × User manual
A charging cable may not be included in the box. Package contents may vary depending on the sales region and production batch.
First Use and Pod Refilling
- Carefully open the pod's filling section.
- Add e-liquid into the fill port, avoiding the central airflow tube.
- Ensure the fill cap is completely closed.
- Wait approximately 10 minutes after filling a new pod for the first time.
- Do not draw from the device when the pod is empty.
Pod User Guide
Learn key considerations regarding leaking, spitback, and pod refilling.
Read User Guide
Explore Other Pod Mod Models
Compare pod systems featuring various battery sizes, displays, pod options, and power settings.
Go to Pod Mod Models
Information sources: UWELL official Caliburn G4 Pro Koko product information and UWELL user manual. Source names are specified for informational purposes.
Warning: Please read the user manual before operating the device. Do not use the device when the pod is empty. Pod lifespan and battery runtime may vary depending on e-liquid composition, coil resistance, power settings, and usage frequency.
