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Yocan UNI S Vaporizer | Best Vaporizer Market Place | VapoCorner

Yocan UNI S Vaporizer

  • Metal Alloy Body
  • Variable Voltage Battery
  • 400mAh Battery Capacity
  • USB-C Charging Technology
  • Adjustable Cart Settings
  • LED Light Indicator
  • Hanging Hole
Yocan UNI S Vaporizer


The Yocan UNI S is the latest devices from Yocan and completes the trifecta of oil box mods with its predecessors the original Yocan UNI and the Yocan UNI Pro. Being the latest among the group, the Yocan UNI S brings into the stable advanced technology which takes the UNI label to the next generation. The Yocan UNI S is outfitted with USB-C charging technology which is basically found on some of the most modern and expensive devices from some of the most popular brands in the industry. The battery supported by this technology is a relatively small 400mAh battery housed in a durable and reliable zinc alloy shell giving this small and compact box mod the premium look and feel as well as the reliability it deserves. Of course, the Yocan UNI S still has some UNI-based features it inherited from its predecessors like the variable voltage setting that lets you personalize and customize how your carts are heated. In the same way, it wouldn’t be a UNI if it didn’t have an adjustable height and width setting allowing you to select the ideal fitting for your favorite cartridges. This wax vaporizer has a lot to offer for consumers who enjoy vaping their select carts whether it’s for medical or recreational purposes and makes for an appealing device to use both at home or on-the-go.

That said, you might have been eyeing the Yocan UNI S and might plan on using it as your daily driver or as a device used occasionally when you’re far from your main rig. Our unbiased review of the Yocan UNI S will prove to be a great place to start getting to know this small and compact device from Yocan. We’ll talk about everything including the pros and cons of using this ultra-portable box mod so stay tuned.

Redefining the Word Portable

Yocan has always specialized in developing small and portable devices for wax concentrate consumption. They have their famous and iconic Evolve line of vaporizers and it seems that they have the same plans in developing the UNI line into a similarly expansive collection. The Yocan UNI S is the smallest in the series with dimensions that span a little over two inches only. This means you can keep the Yocan UNI S inside your pocket, in your purse, your bag, and even carry it around at the palm of your hands. This does not only make it extremely portable but also relatively discreet. And while it’s the smallest UNI box mod to date, it still offers features you can get from a full-sized UNI. The Yocan UNI S redefines the meaning of the words small and portable and pushes the boundaries of compact box mods allowing you to enjoy what the UNI box mods have to offer in the smallest device possible.

Of course, having a small box mod also comes with its fair share of drawbacks. These include having a small battery with only 400mAh capacity. Another downside is that the small body restricts the Yocan UNI S to just having LED light indicators as opposed to having a full-on LED display like the UNI Pro has. Lastly, if you really want to use the Yocan UNI S stealthily, you’d have to use smaller or rather shorter carts because longer ones tend to protrude from the battery although it can still accept cartridges up to 12mm in diameter. If you’re someone who favors using small carts and does not mind the lack of a proper display screen and a rather decent battery life, then the Yocan UNI S might just be the right oil vaporizer for you.

Advanced USB-C Charging Technology

The Yocan UNI S brings USB-C technology into the series and it’s probably good if the brand keeps it that way. Having USB-C on a box mod has its many advantages. To begin with, using USB-C technology lets users use the same charging cable they use on their smartphones, iPads, and laptops on the Yocan UNI S. This means that there’s one less cable to carry when you’re travelling. Another reason why we love USB-C charging technology is that it offers faster charging times and a more stable power delivery compared to its predecessor the micro USB charger. This means that your batteries charge faster and the risk of damaging the battery while charging is reduced. Not to mention the fact that USB-C is reversible so you really can’t damage the ports when plugging the charger into the battery. There’s just so much benefit into moving on with this charging technology that we can simply just wish that Yocan starts applying this technology on all of their next-gen vaporizers like the Yocan UNI S.

The only problem with the implementation of this technology with the Yocan UNI S is that the charging port is located right at the bottom of the unit. What that means is that when charging the battery, you’d have to lay the Yocan UNI S sideways which can work for you or against you. If you’re using a refillable cartridge it may cause your oils to leak so make sure to remove your carts when you’re charging the Yocan UNI S. One work around we’ve thought of if for some reason you don’t want to remove the carts when charging is to make good use of its lanyard hole. Take a lanyard of your choice and connect it to the Yocan UNI S by its hanging hole. From here, hang the Yocan UNI S right side up so you can recharge it without risking any form of leaking.

Variable Voltage Setting

The Yocan UNI S is outfitted with a small battery that’s nonetheless capable of adjusting to your preference. Like the original UNI, the Yocan UNI S is outfitted with preset temperature settings so you can vape low or high depending on your needs. In classic Yocan fashion, the Yocan UNI S’s preset temperature setting can be accessed by the single power button on the device which means that you can easily toggle through each temperature profile by snappily pressing on the power button three times when the Yocan UNI S is on. The variable voltage settings are rated at 2.5 volts, 3.0 volts, and 3.5 volts making the Yocan UNI S produce relatively mild vapors for that flavor-focused sessions. The lowest temperature setting is perfect for when you want to enjoy the terps and the flavonoids that are native to your select essential oils while the highest temperature profile lets you enjoy a calming and a soothing effect for when you want to relax and relieve yourself from stress and anxiety. The middle temperature level is perfect for getting just the right amount of body buzz while still being functional for the rest of the day. With these temperature profiles at your disposal, you can easily calibrate the Yocan UNI S to your liking and to your needs. If you’ve been consuming extracts and oils, you’ll know just ho0w sensitive they are to the slightest change in temperature. And having a small and compact device like the Yocan UNI S feature preset temperature settings, makes it more valuable and viable in terms of using it as a daily driver.

The Yocan UNI S is also outfitted with a pre-heat function which heats your carts with a very low voltage setting at 1.8 volts. This voltage setting is hot enough to melt hardened oils and promote optimal airflow but is cool enough that it does not vaporize the oils and cause the active ingredients in it to be released. The pre-heat setting is perfect for when you’re vaping at a cold place and you need your oils to be ready for you the moment you press the god button.

Magnetic 510-Threaded Connection

The Yocan UNI series has always used Yocan’s innovative magnetic 510-threaded connectors. These are small rings that bridge the gap between the 510-threaded cartridge and the battery while making the whole experience seamless. This means you can swap out cartridges anytime as long as you have magnetic rings connected to your replacement cartridges. Compared to cartridge batteries that do not have magnetic connectors, you can easily remove and replace your favorite carts even while you’re on your feet. The main advantage of this means of connecting your carts is that the threads are less exposed to damage since you don’t have to twist the carts in and out of the battery. Doing so can force the threading to loosen reducing its efficacy over time. With the magnetic rings, all you need to do is just pull it out and slide it in.

While the magnetic 510-threaded rings are designed for convenience, they can sometimes create small problems like the battery failing to read the 510-threaded cart. When this happens, Yocan advises is customers to do a simple troubleshooting step of removing the 510-threaded magnetic ring and replacing it back on the cartridge. In this step, it’s recommended not to overtighten the threads. Overall, the Yocan UNI S is a great device. Its relatively small size can work for or against you depending on your needs.

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What's In The Box

1 x Yocan UNI S Box Mod Vaporizer
1 x Magnetic Adapter
1 x USB-C Cable
1 x User Manual


Wax Concentrates, Thick Oils
Heating Technology
Temperature Control
Energy Source
Battery Capacity
Automatic Shutoff
510 Threaded
90 g
2.38 x 1.24 x 0.90 inches
90-Day Manufacturer’s Warranty