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Uwell Caliburn A2S Pod System – A Comprehensive Review

Uwell Caliburn A2S (A2 S) Pod System - 1


The UWELL Caliburn A2S emerges as a significant innovation in the world of pod systems, offering a perfect blend of simplicity, efficiency, and sleek design. As the latest addition to UWELL’s esteemed Caliburn series, the A2S caters to vapers who seek a high-quality, user-friendly device that delivers a satisfying vaping experience. This kit is particularly appealing to those who desire a compact yet powerful vaping solution. With its improved pod system, enhanced flavor production, and intuitive design, the Caliburn A2S stands out as a top choice for both new and experienced vapers.

Experience the pinnacle of pod vaping with the UWELL Caliburn A2S – a device that combines elegance, efficiency, and ease of use in a sleek package.

— Black Note

The Caliburn A2S is designed with a focus on user convenience and performance. It features a robust internal battery, ensuring consistent performance and extended vaping sessions. The device operates with a refillable pod system, offering a hassle-free vaping experience with excellent flavor and vapor production. The Caliburn A2S’s user-friendly design, including a draw-activated firing mechanism and a clear e-liquid window, simplifies the vaping process, making it accessible and enjoyable for all users.

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Features and Specs

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  • Dimensions: 110.1mm x 21.3mm x 11.7mm
  • Battery Capacity: 520mAh
  • Pod Capacity: 2ml
  • Resistance: 1.2ohm Meshed-H Coil
  • Filling Type: Top Fill System
  • Charging Port: USB Type-C
  • Construction: Aluminum Alloy

What’s in the Box?

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Each Uwell Caliburn A2S Pod System includes:

  • 1x UWELL Caliburn A2S Device
  • 2x Caliburn A2S Refillable Pods (2ml)
  • 1x USB Type-C Cable
  • 1x User Manual

Design and Appearance

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The Caliburn A2S features a sleek and stylish design, available in various colors. Its slim and lightweight form factor makes it highly portable and comfortable to use, fitting perfectly in the hand or pocket.

Available Colors:

Uwell Caliburn A2S Pod System is available in the aforementioned colors.

Uwell Caliburn A2S Pod System Functionality

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The Caliburn A2S is known for its user-friendly design. The draw-activated firing mechanism provides a hassle-free vaping experience, while the top-fill system makes refilling the pod simple and convenient.

Uwell Caliburn A2S Pod System Performance

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The Caliburn A2S delivers a consistent and satisfying vaping experience. Its 1.2ohm meshed-H coil is designed for mouth-to-lung vaping, providing a smooth draw with enhanced flavor production.

Uwell Caliburn A2S Pod System Battery Performance

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The 520mAh battery offers sufficient power for moderate use, making it ideal for daily vaping. The USB Type-C port allows for easy and convenient charging.

Types of Coils

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The Caliburn A2S utilizes refillable pods, allowing users to choose their favorite e-liquids. The 2ml pod capacity is adequate for moderate vaping sessions.

Pros and Cons


  • Sleek and elegant design
  • Compact and portable
  • Simple and easy to use
  • Enhanced flavor production with meshed-H coil
  • USB Type-C charging


  • Limited battery life compared to larger devices
  • Pod capacity may require frequent refilling for heavy users
  • No adjustable wattage settings

Perfectly Paired E-Liquids

Enhance your vaping experience with Black Note Natural Tobacco Eliquids. Our e-liquids, crafted from organic tobacco leaves, are free from artificial flavors, sweeteners, and synthetic nicotine.

This juice is like the first cigarette from a fresh pack of Marlboro Lights in every puff! I started with the 6 mg and found myself still wanting cigarettes now & then, so i bought the 12 mg this time- that was kind of strong so I mixed the two and Perfection happened! I change my cartridge after every third refill for the best flavor. Thank You Black Note!

— Crystal Osteen

Pairing Guide for Optimal Flavor

  • Coils between 0.15 – 0.8Ω: Opt for Black Note’s 70VG/30PG blends.
  • Coils above 0.8Ω: Choose Black Note’s 50VG/50PG blends.
  • Coils above 1.0Ω: Dive into Black Note’s Salt Nicotine blends.

Order the Uwell Caliburn A2S Pod System

To shop Uwell Vaping Devices, visit Blacknote.com and make sure to explore our wide range of vaping products. 


What is the Caliburn A2S?

The Caliburn A2S is a pod system designed for vaping, featuring a mesh coil, a Type-C port, and a 2 ml side refilling pod. It is known for its transparent pod design, providing an elegant look and allowing users to easily check the e-liquid level.

What are the key specifications of the Caliburn A2S?

  • Weight: 30 g
  • Battery Capacity: 520 mAh
  • E-liquid Capacity: 2 ml
  • Output Power: Maximum 15 W
  • Materials: Aluminum Alloy, PCTG
  • Dimensions: 110.1 mm × 21.3 mm × 11.7 mm
  • Pod Specification: FeCrAI UN2 Meshed-H 1.2 Ω CALIBURN A2 Side Refilling Pod​

What unique features does the Caliburn A2S offer?

  • Pro-FOCS Flavor Adjustment Technology: This technology restores the e-liquid’s original flavor perfectly.
  • Animated Light Matrix: The CALIBURN logo flashes during vaping, with different colors indicating battery levels.
  • Elegant Appearance: The device adopts a simple and elegant design, with a smooth surface and distinct cut lines.
  • Draw Activation: It is a draw-activated device, making it easy and convenient to use.
  • Type-C Fast Charging: The battery can be charged to 90% in just half an hour.

What is included in the Caliburn A2S kit?

The kit includes the CALIBURN A2S device and a CALIBURN A2S side refilling pod.

What makes the CALIBURN A2S unique?

The CALIBURN A2S stands out with its elegant appearance and Pro-FOCS flavor adjustment technology, which restores the e-liquid’s original flavor perfectly. It also has an animated light matrix that changes colors according to battery levels.

Key Takeways

The UWELL Caliburn A2S is an excellent choice for vapers who value style, simplicity, and portability in a vaping device. Its efficient design and reliable performance make it a popular choice for those seeking a high-quality vaping experience.

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