Key features on the GK2 include interactive lighting, USB-C fast charging, and an airflow control wheel.

The GK2 is compatible with 0.8Ω or 1.2Ω Caliburn G2 replacement pods.To avoid problems with your GK2, always ensure that it is fully charged and filled with a compatible nic salt e-liquid. 


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Kit includes:

x1 UWell Caliburn GK2 Pod System

x1 UN2 Meshed-H 1.2ohm Caliburn G2 Coil (pre-installed)

x1 UN2 Meshed-H 0.8ohm Caliburn G2 Coil (spare)

x1 User Manual

x1 Type-C Charging Cable

x1 Lanyard

A 690 mAh battery

USB-C fast charging

Interactive lighting

Adjustable airflow for MTL or restricted DTL vaping options

How Does the UWell Caliburn GK2 Compare to the Caliburn G2?

Key Similarities

The Caliburn GK2 and the Caliburn G2 both:


Come with an e-liquid viewing window

Are compatible with 0.8Ω or 1.2Ω Caliburn G2 replacement pods

Can be filled from the top so that the pod doesn't need to be removed

Have controls that can be used to adjust airflow during use


Charging the UWell Caliburn GK2’s 690mAh battery from dead to full with the included USB-C fast charger takes approximately 30 minutes.


The UWell Caliburn GK2 is a fixed wattage device with a default power output of 18W. The only way to change the output is to use pods with different levels of resistance in their integrated coils. Pods with coils that have lower resistance allow more current to flow through and increase the power—allowing you to create larger clouds and experience more flavour at the cost of some battery life.


The pods you’ll use in your Caliburn GK2 are built with seals to prevent leakage, but misuse can still result in e-liquid where you don’t want it. For example:


Hitting too hard. The GK2 is intended for tight-to-medium draws, so inhaling vigorously can suck e-liquid into the mouthpiece before it has a chance to fully vapourize.

Overfilling your pods. The e-liquid window on the device and the construction of the pods it uses are intended as fail-safes, but you can still force too much e-liquid into the pod if you try. Doing this will result in liquid spilling from the pod during use.

Using the wrong e-liquid. The Caliburn GK2 is designed to work with nic salt e-liquids. Other kinds of e-liquid may not vapourize as efficiently, potentially causing e-liquid to enter the mouthpiece during use.