Uwell Caliburn A2

Uwell Caliburn A2 Pod System: Enhanced Design, Pro-Focs Tech, Fast Charging

The Uwell Caliburn A2 emerges as the latest evolution in Uwell’s renowned pod system lineup, building on the success of its predecessors while introducing significant enhancements. Positioned as a user-friendly device, the Caliburn A2 combines sleek design with advanced functionality to cater to both new and experienced vapers alike, and it supports a variety of vape flavors for a customizable experience. 

Uwell Caliburn A2: Product Overview & Specifications

The Uwell Caliburn A2 distinguishes itself with a sleek, ergonomic design and a compact form factor measuring 110.1 mm x 21.3 mm x 11.7 mm. With a full pod, it weighs just 33 grams, ensuring portability without compromising on performance. Available in six striking colors, including black, grey, green, blue, orange, and iris purple, the A2 offers personalization options to suit individual preferences.

Key specifications include:

  • Pod Capacity: 2 mL
  • Coil Resistance: 0.9-ohm (built-in)
  • Battery Capacity: 520 mAh
  • Charging: Type-C (charging cable not included)
  • Activation: Draw and button activated

Caliburn A2 Features

Sleek Design & Comfort

The Caliburn A2 retains the classic Caliburn series design with a modern twist. It features an ergonomic build and a refined mouthpiece for enhanced comfort during use. The large front-facing juice window is a standout feature, although it’s positioned on one side, requiring adequate lighting for visibility.

Advanced Performance

Powered by Uwell’s Pro-Focs technology, the Caliburn A2 delivers exceptional flavor and extended coil life with its 0.9-ohm coils. It supports both auto-draw and button activation modes, offering a smooth MTL draw and a warmer vape experience with a defined throat hit. The pod’s top-fill design makes refilling straightforward, ensuring quick and mess-free replenishment.

Long-lasting Battery & Fast Charging

Equipped with a 520 mAh battery, the Caliburn A2 provides sufficient power for prolonged vaping sessions, averaging around one and a half pods (3 mL of e-liquid) per charge. Charging via Type-C USB is rapid, achieving a full charge in just 52 minutes, with a 90% charge attained in 35 minutes. An LED battery indicator with three colors—green, blue, and red—clearly displays the remaining battery level.

Pros & Cons


  • Compact and lightweight design
  • Enhanced flavor with Pro-Focs technology
  • Easy-to-use top-fill system
  • Reliable coil longevity
  • Fast Type-C charging
  • Minimal leakage and condensation


  • The juice window is visible on one side only
  • Limited to a single coil option
  • Occasional e-liquid seepage after multiple refills
  • Type-C charging cable not included


The Uwell Caliburn A2 stands out as a robust and user-friendly pod system, offering enhanced features and performance over its predecessors. Whether you’re upgrading from an older Caliburn model or exploring pod systems for the first time, the A2 delivers a satisfying vaping experience with its sleek design, advanced coil technology, and efficient battery management. With its blend of simplicity and performance, the Caliburn A2 is a compelling choice for vapers seeking reliability and flavor excellence.


What is the battery life like on the Uwell Caliburn A2?

The Caliburn A2 is equipped with a 520 mAh battery, which provides ample power for most vapers. On average, you can expect to go through approximately one and a half pods (around 3 mL of e-liquid) per full charge. The device charges rapidly via Type-C USB, reaching a full charge in just 52 minutes.

Can I use different types of e-liquids with the Caliburn A2?

Yes, the Caliburn A2 is compatible with various types of e-liquids, including nicotine salts and regular e-liquids. It features a 0.9-ohm built-in coil that delivers clean and flavorful vapor. The device supports both auto-draw and button activation modes, allowing you to tailor your vaping experience to your preference.

Does the Caliburn A2 have leaking issues?

Uwell has incorporated anti-leaking design elements into the Caliburn A2 to minimize issues such as leakage and condensation. While occasional e-liquid seepage may occur after multiple refills, the overall design ensures reliable performance and minimal maintenance.

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