Last Updated on July 12, 2019 by Team Spinfuel

Intro and Specs for the SnowWolf MFENG UX

UX… UX… what could that possibly stand for? To most web nerds, UX is most commonly used to represent “user experience.” Interestingly, one of the things we liked LEAST about the previous SnowWolf mod was just that – an uncomfortable, awkwardly designed user experience. Thankfully, Sigelei and SnowWolf have (mostly) rectified this with the new SnowWolf MFENG UX Vape Mod.


It’s not a perfect device by a country mile, but if you’ve avoided SnowWolf for any of the above reasons, you might want to give them another look, starting with the MFENG UX.

First, the specs.

FEATURE IMAGE OUMIER Rudder 200W Box Mod Revisited

One of the most prestigious manufacturers within the arena of temperature-control box mods, SnowWolf has consistently set fresh benchmarks with their innovative mods. Combining intense manhours and investments into research and development, the SnowWolf MFENG UX 200W TC Box Mod features a bold architecture, upgraded chipset, gobs of power, and a streamlined digital user interface.

Okay, we’re not big on hyperbole, but does anyone buy the above gobbley-gook? For that matter, is Temperature Control really something to lead with in 2019?

Sigelei SnowWolf MFENG UX Specs:

  • Size: 91.5 x 49 x 30mm
  • Material: Zinc Alloy
  • Battery Type: 2*18650 batteries (Not Included)
  • Display: 1.3″TFT Colorful Screen
  • Wattage Range: 5-200W
  • Temperature Range: 200℉-570℉/100℃-300℃
  • Voltage Input: 6.4-8.4V
  • Voltage Output: 1.0-7.5V
  • Modes: TI1/NI200/SS (304/316/317)/TCR
  • Maximum current: 40A
  • Resistance Range: 0.05ohm-3.0ohm
  • Charging Support (Micro USB): DC 5V/2.5A

Sigelei SnowWolf MFENG UX Mod Box Contents:

  • 1 x MFENG UX Box Mod (no cells)
  • 1 x USB Cable
  • 1 x User Manual
  • 1 x Warranty Card
  • 1 x Pass Card

Initial Impressions and Aesthetics

SnowWolf may have streamlined the dual-18650 MFENG UX, but make no mistake, this is still right on brand for the company. Even though everything has been smoothed out, there’s still plenty of bold angles, jutting edges and highly contrasting design elements. In other words, there’s no questioning that SnowWolf has never been about subtlety, and it’s not about to start now.

RED SNOWWOLF™ MFENG UX 200W TC BOX MODBut you’re going to immediately notice the lack of a giant, obtuse wolf head sticking out the back of the mod. And we couldn’t be happier. Sure, they replaced it with a giant wolf graphic, but given a choice, I’ll take a large flat wolf over a 3D rendition any day of the week. Suddenly, I’m not terrified of holding an MFENG for longer than five minutes without gloves – it’s a veritable miracle.


Another nice design addition is the mesh-like metal frame around the improved full-color display. It offers no functional purpose, but it’s a definite improvement for the mod’s aesthetics, framing the brighter, clearer screen nicely without being gaudy or overbearing.


And we shouldn’t do an aesthetics discussion without mentioning the absolutely pristine paint job. Sigelei has always made their mods with a high level of paint quality, but the recent MFENGs have shone a little brighter, and the UX might be the best of the bunch. While I don’t normally prefer red mods, this deep, almost candy apple shade looks like the finish on a classic car, not a new vape mod.


Finally, we need to throw some praise on the improved sidebar firing system. Though there’s nothing unique or special about side fire bars, this compact, classy rendition is a clicky, responsive highlight of the MFENG UX.


While the feature set on the MFENG UX isn’t anything unique either, the operations are a vast improvement over previous editions of this series. Not only is the 1.3-inch display a huge step up from the amateurish screens we saw last year, but the streamlined menu system makes using the MFENG UX a dream. I didn’t even miss not having a third ‘action’ button … even if it would have been nice.


Not all the improvements were visual, either. One significant improvement – and one we want to see on all vaping devices – is the child lock/passcode system. Not only will they keep minors from getting into trouble, but it will also deter less-than-scrupulous vapers who might want to snag your device when you’re not looking.


Under the hood, the chipset also showed us some minor, but noticeable improvements in responsiveness and firing speed. Nothing earth-shattering, nor should they be deciding factors in you picking up the MFENG UX, but even baby steps are good when trying to release new editions in a series.

Vaping the SnowWolf MFENG UX

PAIR OF - SNOWWOLF™ MFENG UX 200W TC BOX MODI’m happy to report that this is going to be a short section, because for the first time in a while, I experienced no issues with any of the extensive mode selection. Wattage mode was reliable and smooth, all the way to its stated 200-watt limit, and I found it to be particularly good at detecting coils and recommending appropriate wattages based on resistances. (SO many mods still get this wrong.)


Temperature control and TCR modes are also included (as expected) and both were precise and easy to use, even when throwing complex coil types at it. None of the jumping and skittishness we usually experience in TC modes were evident here. And if a build was more complicated than the coil presets could handle, the TCR mode helped smooth things out quickly, allowing us to set accurate temps for our specific materials.


But getting past all of the modes and features, we have to say how much we enjoyed using the MFENG UX during our testing period. Thanks to some well-implemented curves and smoother lines, this once-unwieldy mod design is much more comfortable and ergonomic. Now, is it among the best we’ve experienced? No, it’s still an MFENG, and the edges and lips are still omnipresent. But if you do a side-by-side comparison, there’s no question which one most will choose.


Our only real complaints from our testing of the MFENG UX were the battery door and the venting. While the magnets were really strong and clicked into place nicely, it’s FAR too easy to slide it off sideways, which happened nearly every time it went into my pocket. Thankfully, that’s the ONLY time it happened accidentally, but nonetheless, it’s something worth mentioning.


The heat dissipation? Well, that’s another concern entirely. Though the MFENG UX never became too hot to handle, it definitely heated up at higher wattages, and I began to hesitate using it after I noticed the warmth.

The Pro’s and Con’s of the MFENG UX


– Much-improved frame design

– Fantastic menus and screen

– No 3D Wolf!!!


– Still a LITTLE awkward to hold

– Battery door is easy to slide off

– No venting!!

Spinfuel VAPE Recommendation and Score

Talk about a comeback. While we never HATED the previous MFENG devices, we rarely came back to them, either. They were just too uncomfortable and awkward to consider using for anything longer than a few minutes, much less all day. But the MFENG UX lives up to the “UX” name giving vapers a much-improved level of comfort and usability. It’s not perfect, but it’s a huge step forward for the series, and worth a few looks if you’re in the market for a new dual-18650, 200W TC equipped vape mod.