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Description

The Uwell Caliburn G4 Classic is a refillable pod system with a built-in 1400 mAh battery and up to 35 W. The set contains two GPP-V2 pods with mesh coil, 0.4 ohm for DL and 0.6 ohm for RDL. Each holds 3 ml and is filled from the side. The casing of this version is in a dark green.

Battery and power

The battery is built in and is charged via USB-C with 5 V and 2 A. The maximum power is 35 W, and the output adjusts automatically to the inserted pod. The pods are matched to this: the 0.4 ohm pod is optimised for 35 W, the 0.6 ohm pod for 25 W.

Pod and coils

GPP-V2 pods are available in 0.4, 0.6, 0.9 and 1.2 ohm. The coils are built in and are replaced together with the whole pod. Filling is done from the side via a silicone stopper, without having to remove the pod. The device has no display.

You can find replacement pods with 0.4, 0.6 and 0.9 ohm in the Pods with atomiser.

Operation

Two draw sensors start the device; alternatively you can use the button. Five clicks switch it on and off, and two clicks lock the button. An RGB LED at the bottom shows the battery level, operating status and error messages. You adjust the airflow continuously with the slider. In addition, the draw resistance changes if you turn the pod by 180°.

Getting started with the Caliburn G4 Classic

  1. Charge the device via USB-C before using it for the first time. No cable is included.
  2. Fill the pod from the side and close the silicone stopper again.
  3. Let the pod stand for a few minutes so that the coil soaks up the liquid. Otherwise there is a risk of burning (dry hit).
  4. Fit the pod and switch the device on with five clicks.
  5. Set the airflow with the slider and start with short draws.

Scope of delivery

  • 1 × Uwell Caliburn G4 Classic battery device
  • 1 × GPP-V2 pod, 0.4 ohm
  • 1 × GPP-V2 pod, 0.6 ohm
  • 1 × user manual

A USB-C charging cable and liquid are not included in the delivery.

Frequently asked questions

Is a charging cable included?

No. You need your own USB-C cable.

Which pods fit?

GPP-V2 pods with 0.4, 0.6, 0.9 and 1.2 ohm.

Can the battery be replaced?

No, the battery is built in.

How do the colours differ?

Only in the casing. The technology and scope of delivery are the same in all colours.

Specifications

Technical details

Battery Capacity
  • 1400 mAh
Color
Connection
  • USB C
Device family
  • Uwell Caliburn G4
Device type
  • Refillable
Filling System
  • Side Fill
Filling Volume
Part
  • Device
Power

Customers

Reviews

4.5 out of 5

2 reviews

Mess-free filling!

After many years with different devices I have pretty firm ideas of what I want. Packaging was practical and not over the top. The Side Fill opening is big enough that I can hit it even in the evening in the garden. Charging over USB-C is quick, a top-up from the laptop is often enough. I've been ordering here for a while and I'm sticking with it. They skimped on the instructions, that could be better. Edit after the first few days: colour-wise the green matches exactly what the photos promised.

Sergej · 9 Jun 2026

Gute Qualität

Ein Bekannter hat mir die Grundlagen erklärt, gewählt habe ich dann selbst. Leistung mit 35 W ist für mich mehr als ausreichend. 😊

dana · 20 Mar 2026

GPSR

Manufacturer & responsible person

Manufacturer

SHENZHEN UWELL TECHNOLOGY CO., LTD.
Block A, No. 3, Third Industry, Dongfeng Community, Humen Town, Dongguan, Guangdong, China
service@myuwell.com


No. 252 Yongfu Rd., Bao'an District
518103 Shenzhen
Responsible person

InnoCigs GmbH & Co. KG
Barnerstr. 14b 22765 Hamburg
service@innocigs.com

Mandatory information

Safety & legal

Battery information

This product contains a battery or rechargeable cell. Batteries must not be disposed of with household waste — you are legally required to return them to a collection point or to us.

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