Uwell Caliburn A3S Pod Kit Review – Ultimate User Guide

The Uwell Caliburn A3S Pod Kit is the latest addition to the acclaimed Caliburn series, raising the bar for functionality, design, and efficiency of pod systems. As a leader in the vaping industry, Uwell has been steadfast in its commitment to delivering unique and user-friendly devices. The Caliburn A3S is no exception, featuring a compact design that appeals to both veterans and newcomers of the vaping community.

Equipped with an upgraded Integrated 520mAh battery, the Caliburn A3S provides more power and longer-lasting use for its users. In addition, the device boasts adjustable airflow, letting users tailor their vaping experience to their preferences seamlessly. The new pod kit retains the standard dual firing mechanism, enabling both button and draw-activated functions for ultimate versatility.

To complement the improved battery life and adjustable airflow, the Caliburn A3S also introduces the Pro-FOCS flavor technology, which guarantees a richer, more defined taste in every puff. Combined with Uwell’s patented leak-proof design, these enhancements make this pod kit a reliable choice for vaping enthusiasts seeking an exceptional and convenient experience.

Uwell Caliburn A3S Pod Kit Review - Vapenav

Uwell Caliburn A3S Pod Kit

Review Score

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Package Includes:

1 x Uwell Caliburn A3S Pod Device
1 x Uwell Caliburn A3S Kanthal Mesh 0.8 Ohm Pod
1 x Uwell Caliburn A3S Kanthal Mesh 1.0 Ohm Pod
1 x User Manual


•Dimensions: 109.8 mm × 21.3 mm × 11.7 mm
•Output Wattage: 16W
•Battery: 520mAh (internal)
•Charging Cable: Type-C USB
•E-liquid Capacity: 2ml
•Fill Type: Side-fill
•Display: LED indicator
•Compatible Pod: Caliburn A3S/A3 Pod
•Coil Resistance: 1.2ohm/0.8ohm Mesh Coil
•Firing Method: Draw-activated

Design and Build Quality

The Uwell Caliburn A3S Pod Kit features a sleek and compact design, making it an attractive option for vapers who prefer a portable and easy-to-use device. The body is constructed with a combination of aluminum alloy and PCTG material, ensuring a lightweight yet durable build. The device measures approx 110mm x 21.4mm x 11.6mm, making it pocket-friendly and easy to carry around.

The A3S Pod Kit comes with an ergonomic mouthpiece designed for optimal comfort. The pods themselves have a 2ml e-liquid capacity and are easily refillable via the top-fill system, which minimizes leakage and mess. The pods are also transparent, allowing users to monitor their e-liquid levels easily.

In terms of performance, the Caliburn A3S is equipped with a built-in 520mAh battery, providing ample power for an all-day vaping experience. The device utilizes a draw-activated firing mechanism, eliminating the need for buttons and providing a more natural feel while vaping.

One of the standout features of the A3S Pod Kit is its adjustable airflow system, which allows users to customize their vaping experience based on their preferences. By simply rotating the pod, users can switch between a tighter, more restricted draw or a looser, airier draw.

Safety is also well addressed in the Caliburn A3S, with features such as short-circuit protection, low voltage protection, and over-time protection, ensuring safe usage for users.

The Uwell Caliburn A3S Pod Kit is available in various color options, catering to different individual preferences. Overall, the design and build quality of the Caliburn A3S Pod kit make it an appealing choice for vapers who appreciate a compact and reliable device.


The Uwell Caliburn A3S Pod Kit features innovative and user-friendly pods designed to enhance the overall vaping experience. These pods are built with high-quality materials, ensuring durability and reliability in daily use.

Each pod comes with a 2ml e-liquid capacity, providing ample space for various types of vape juice. They are equipped with a top-fill design, making it easy for users to refill their pods without the need to detach them from the device. Simply remove the mouthpiece and fill it through the designated slot.

The pods utilize a 1.2ohm Parallel Coil, which produces a satisfying and consistent flavor with each draw. This coil configuration is perfect for mouth-to-lung (MTL) vaping, as it offers a smooth and restricted airflow, similar to traditional cigarettes.

Compatibility is an essential factor when considering replacement pods. The Caliburn A3S pods are designed to be compatible with the Caliburn A3S device only, ensuring a seamless and effortless fit.

Some key features of the Caliburn A3S pods include:

  • 2ml e-liquid capacity
  • Top-fill design
  • 1.2ohm Parallel Coil
  • Compatible with the Caliburn A3S device

In addition, the pods are designed with a magnetic connection, allowing for easy installation and removal from the device. This secure connection ensures that the pod will not accidentally become dislodged during use.

Overall, the Uwell Caliburn A3S Pod Kit offers vapers an exceptional and user-friendly pod system. The pods’ thoughtful design and features ensure an enjoyable vaping experience with minimal fuss and maintenance.


The Uwell Caliburn A3S Pod Kit is equipped with a built-in battery boasting a capacity of 800mAh. This provides vapers with a decent amount of usage time between charges, allowing them to enjoy their vaping sessions without constantly worrying about the battery life.

When it comes to charging the device, the A3S Pod Kit features a Type-C USB charging port, enabling fast and efficient charging. This ensures users can get back to vaping swiftly after taking a quick charging break.

It is essential to discuss the battery’s safety features, as these elements uphold a secure vaping experience. The Uwell Caliburn A3S Pod Kit incorporates several safety precautions, such as:

  • Over-charge protection
  • Short-circuit protection
  • Over-heat protection
  • Over-discharge protection

These features ensure that the device remains safe to use and prolongs the overall longevity of both the battery and the pod system. Additionally, the A3S Pod Kit has a smart LED indicator that displays the current battery level, keeping users informed of when it’s time to recharge. The LED colors correspond to the following battery levels:

LED ColorBattery Level
Green60% – 100%
Blue30% – 60%
Red0% – 30%

In summary, the battery performance and features in the Uwell Caliburn A3S Pod Kit cater to a user-friendly and worry-free vaping experience. From its capacity and charging capabilities to its safety features and LED indicator, this device successfully addresses the essential aspects of a reliable vaping battery.


The Uwell Caliburn A3S Pod Kit demonstrates impressive performance in various aspects related to vaping. One of the main highlights is the device’s adjustable airflow system, allowing users to personalize their experience by altering the tightness of the draw.

The 520mAh built-in battery provides sufficient power output to support long-lasting use, with a USB Type-C charging port ensuring a fast and convenient recharge. Additionally, the LED indicator on the device conveys battery life information.

In terms of compatibility, the Caliburn A3S works with 2ml refillable pods. These pods feature a convenient top-fill system, making it easy to refill e-liquid without removing the pod from the device. The kit comes with two coils included:

  • 0.8ohm Caliburn A3S UN2 Meshed-H Coil
  • 1.2ohm Caliburn A3S Coil

Both of these coils offer distinct vaping experiences. The 0.8ohm meshed coil provides a smooth, flavorful vape with a larger vapor production. On the other hand, the 1.0ohm coil delivers a more traditional mouth-to-lung experience, catering to users who prefer a tighter draw.

The innovative Uwell Pro-FOCS technology ensures that the device delivers consistent flavor and a satisfying throat hit every time. This technology regulates temperature control and ensures proper e-liquid saturation, resulting in an optimal vaping experience.

To sum up, the performance aspects of the Uwell Caliburn A3S Pod Kit include:

  • Adjustable airflow system
  • 520mAh built-in battery with fast charging
  • LED battery life indicator
  • 2ml refillable pods with top-fill system
  • Compatible with 0.8ohm and 1.2ohm coils
  • Uwell Pro-FOCS flavor technology


The Uwell Caliburn A3S Pod Kit is a well-designed and efficient device for vapers seeking a seamless vaping experience. Its compact size and lightweight construction make it a solid choice for users who prioritize portability.

The device features a 690mAh battery ensuring decent battery life for on-the-go vaping sessions. The pod’s 2ml e-juice capacity is sufficient for moderate usage, and the device is compatible with both freebase and nicotine salt e-liquids, providing versatility in e-liquid selection.

Furthermore, the Uwell Caliburn A3S Pod Kit is equipped with a state-of-the-art Pro-FOCS technology that drastically enhances the flavor and vapor production. This, combined with the pod’s adjustable airflow system, allows users to tailor their vaping experience to their preferences.

In terms of safety, the device comes with multiple protections, such as short-circuit protection and over-time protection, which ensures a safe and reliable vaping experience.

Some additional features worth mentioning include:

  • Type-C charging for fast and efficient charging
  • Easy top-fill design for simplified e-liquid refills
  • Four LED indicators for battery life monitoring
  • Magnetic pod connection for a secure and stable fit

In summary, the Uwell Caliburn A3S Pod Kit stands as a reliable and user-friendly pod system. Its enhanced performance, coupled with an array of features, make it a great option for both new and experienced vapers.

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