The Caliburn A2S: The Simple,High-Performance Vape Pod


by Vaping Daily Team

Updated: April 28, 2023

uwell caliburn a2s review

Review Score: 96/100

Price Range:
$25.95 - $35.99
Battery Capacity:
Wattage Output:
Purple, Gradient, Black, Gold, Gray, Blue
Works with:
  • Eliquids icon


  • Beginner-friendly vape design
  • Produces satisfactory vapor
  • Quick charging feature


  • The e-juice window is only visible on one side
  • Average battery

Starting Price: $ 29.95

If you’re in the market for a one-of-a-kind vape device, look no further than Caliburn A2S.
While it has a simple look, the A2S packs a punch and delivers great value for money.

The pod mod is powered by a 520mAh battery and has a 15W power supply. As a result, the vape delivers a good taste and the right amount of vapor. This Uwell Caliburn A2S review will reveal this device’s essential details.

Vaping Experience Review: How Does The Device Vape?

uwell caliburn a2s review

It is another product from a popular vape product manufacturer – Uwell. Caliburn has been one of the highest-performing lines of devices in the industry. Therefore, it’s safe to expect that the A2S will maintain this quality. This device is a successor of the Caliburn G, effectively improving its predecessor’s quality.

Asides from the simple, modern design of the Uwell A2S, it’s worth noting that a 520mAh battery powers the device. The vape pen also fires at 15W and can hold a 2ml pod. The Caliburn A2 has a firing button placed in an ideal position. This position is perfect for the user’s thumb. It also allows users to use their index finger to fire their vape. But the A2S is auto-draw activated The 1.2-ohm wick will produce a tasty mouthful of vape.

Vapor Production

As mentioned earlier, users can fire up their vape devices with a central button. The 1.2-ohm wick installed in this device will produce a tasty flavor with any type of e-liquid. You’ll also enjoy flexibility because this device is compatible with a 0.9-ohm wick. You can change your wick if you want a more subtle taste. Furthermore, vapers can fill their e-liquid pods from the side.

Caliburn A2S Vape Kit

uwell caliburn a2s starter kit

No doubt, it is an impressive vape device. The quality of the device is obvious in its build, vapor production, and kit. The kit includes the following:

  • Uwell Caliburn A2S device
  • User manual
  • Type-c Charging cable
  • 2ml Caliburn A2S pods

Uwell Caliburn A2S vs. Caliburn A2

The Uwell A2S and A2 are high-quality products from the same manufacturer. As their name suggests, these devices are similar to each other. But they still have standout differences. We’ll review the differences and similarities between both devices.

  • The first thing to note about both devices is that they have similar physical properties. Both devices have a dimension of 110mm x 21.3mm x 11.7mm.
  • Also, both devices have a 520mAh battery. The A2S and A2 fire at 15W capacity and can hold 2ml/1.8 ml pods.
  • However, the differences between both devices start from the color options for each of them. While the A2S is available in gold, purple, gray, blue, gradient, and black, the A2 can be purchased in black, arctic silver, gold black, green, blue, orange, iris, grey, orange, and aqua blue.
  • Also, users can fill the Uwell Caliburn A2S through the side or top, while the A2 can be filled only through the top.
  • Finally, the A2S has an in-built 1.2-ohm wick, while the A2 has a 0.9-ohm wick.

Internal Building Quality and Design

The device comes from a reliable manufacturer. So, you can rest assured that the product’s build quality will be remarkable. Like its predecessors, it has a simple stick-shaped design. Its body is made from Aluminum alloy. So it won’t get damaged easily. You also won’t have to worry about your device getting rusty or damaged by contact with water.

The A2S has an inbuilt auto-draw system. This means you won’t need to continuously press a firing button to fill your mouth with tasty vapor. Also, the Caliburn is available in different color variants. This means the device will suit the style of anyone. What’s more? The pod system comes with a lights-consisted logo. This logo will flash when vaping.

Battery Performance

The pod mod comes with 520mAh. That means you’ll have enough battery life for more than just a few puffs. The type-C USB charging port is designed to charge this device fully and quickly. And you won’t have to wait long before you’re vaping again.

What Do LED Lights Mean?

This vape has a unique lineup logo. The logo of the pen features LED lights. These lights are an indicator of the battery life. They also add to its aesthetic appeal.

  • A green light means that the battery level is currently over 60%.
  • But a blue light means it’s between 30 – 60%.
  • Finally, a red light means the battery is less than 30%.

Pod Features

The pod is transparent. It allows vapers to see through it. Users will always be able to see the level of their e-juice. You’ll always know when to replace or refill it. The transparent pod will help you avoid coil burning. Thereby prolonging the lifespan of your coil. The device comes with a 1.2-ohm coil.

Its manufacturers have also included Pro-FOCS flavor adjustment technology. This innovative technology will preserve the taste of your vape – till the last puff. You should note that the A2S is also compatible with a 0.9-ohm pod. This way, you’ll have more pod choices.

What Kind of E-juice Does The Pod Use?

uwell caliburn a2s pod

We’ve discussed the impressive features of the vape systemin detail. But what type of e-juice is ideal for this pod mod?

You can use almost any type of e-juice with this pod system. Yes, you can choose any flavor, including high VG/PG ratio e-juices. This vape will allow you to explore. That’s because it can also be used with single-user or refillable vapes.

Coils Performance

Like any top-rated vapes, the A2S has an effective coil. The Caliburn A2S comes with an inbuilt 1.2-ohm coil. This coil features Pro-FOCS flavor adjustment technology. As a result, it will preserve the taste of any flavor used with it. In addition, users can use a 0.9-ohm coil with this vape.

How Long Do Coils Last?

The coils are made of high-quality, resistant mesh. Therefore, they’ll last as long as any top-rated local in the industry. You can expect that the coils will last up to 2 weeks of constant use.

How To Use The Uwell Caliburn A2S Vape Pen?

When you get your device, the first thing to do is ensure that the vape pods are properly installed. You may also check the positioning of the mouthpiece. Here comes the tricky part.

The Caliburn A2S is draw-activated. All you need to do is place your mouth on the agent to start it. And you’ll get a mouthful of tasty vapor.

Caliburn Uwell A2S Competitors

Caliburn A2S vs. SMOK Nord 4

smok nord 4 colors

The Smoke Nord comes from a strong lineup of pods. Its futuristic design will captivate you. Like the A2S, the Nord 4 is known for its reliability. At 200mAh, the Smoke Nord 4 has lesser battery life than the A2S.

While it has a larger pod size (4.5ml), it can work with two low-resistance coils. These coils are rated 0.16 and 0.4 ohms.

Caliburn A2S vs. Vaporesso LUXE X

vaporesso luxe x

The Vaporesso LUXE X is ideal for low-wattage smoking. It has an amazing battery capacity of 1500mAh and runs at 40W. But you’ll have to pay considerably more than the Caliburn A2S price.

Caliburn A2S Specifications

Construction Material: Aluminum Alloy Body
Dimension: 110mm x 21.3mm x 11.7mm
Weight: 31g
Battery Capacity: 520mAh
Wattage Output: 15W
Charging Pot: Type-C
Pods Capacity: 2mL
Animated LED Indicator:
Side fill:
Auto draw activation:
Replaceable Pods: Yes
Colors: Purple, Gradient, Black, Gold, Gray, Blue


The Positives

  • The device is lightweight and portable
  • Simple design
  • Durable build quality
  • Beginner-friendly vape design
  • Quick charging feature
  • Produces satisfactory vapor
  • Minimal wicking issues

The Negatives

  • The e-juice window is only visible on one side
  • Average battery


And that’s all for this Caliburn A2S review. You’ve undoubtedly learned plenty of things about this high-quality vape. It’s safe to say that the Caliburn A2S is suitable for any vaper. What’s more?

Before buying this vape, watch our video review for a few minutes. It’s a great way to get a feel for the device and see if it’s the right fit for you.

It can work with various types of pods and e-juices. If you’re a beginner, the 520mAh battery will give you tasty hits that will get you hooked. After going through the features in this review, you may be curious to try out this pod mod.

Let us know how you feel about the A2S in the comment section.

Published: February 28, 2023Updated: April 28, 2023

Vaping Daily Team

The Vaping Daily team is a collective of expert vapers. We tried hundreds of vapes and happily review them here. Our guides, reviews, and top lists share the best practices from our experience . Subscribe to e-mails to get vape news and deals.


Leave a comment