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SXMini G Class by Yihi


Product Description

The future of mod technology has arrived in the form of the SX Mini G Class by Yihi. This sleek, zinc alloy and stainless steel beauty is strides ahead of any other mod on the market with its Yihi SX550J chipset technology. This mod is built to handle pin-point accuracy and extreme customization, both aesthetically and operationally. To add onto that, this mod also features a unique SXi-Q Taste Curve Control System that allows you to have a complete grasp of the temperature control output every second of your puff with both Joule and degree TCR options. You also have the option to save 5 separate curve settings, even when you’re switching atomizers, to stay in line with your preferences. Heck, this mod is so freakin’ high-tech that it even connects to Bluetooth and has its own smartphone app available to download for even more customization!

Sporting dual 18650 batteries (not included), the Yihi SX Mini G Class is totally capable of handling low-resistance coil designs (0.05 ohms and higher) so you custom coil builders can rejoice in the knowledge that this mod that can take it on. Yet another feature is the mod’s A+ resume, this mod encourages internal battery charging with a 2A charge rate using Yihi’s Buck & Boost technology (that charge rate is swifter than some external chargers).

To dive into all the settings, the SXMini G Class rocks a little joystick for easy navigation or you can control the settings via Bluetooth on the downloadable smartphone app. The LED screen appearance is changeable, along with the lights located on the back of this tough-as-nails mod. You’ll truly be blown away by the futuristic performance.


  • Bluetooth 4.0 (iOS currently, Android coming soon)
  • Built in 5V / 2A on board balance charger
  • SXi-Q Customizable taste curves (5 saved to memory) customizable from phone with bluetooth
  • 5 way joystick controller
  • Extremely accurate temperature control technology
  • Temperature control customizable in joules and degrees of temperature
  • Several customizable screens for displaying setting information
  • Customizable clock display on lock screen (both analog/digital display)
  • Robust Micro-USB Type C connector (reversible connector)
  • Uses 16 bit analog/digital converter to sample resistance
  • Supports 0.0001Ω coil resistance resolution


  • 10 - 200 Wattage range
  • 1 - 9.5 Voltage range
  • .05 - 3.0Ω resistance range (wattage mode)
  • 92.2mm (3.62 in) x 47.5mm (1.87 in) x 32.4mm (1.27 in)
  • Maximum 50 amp output
  • DC-DC converter uses Buck/Boost operation with 96% Efficiency
  • Temperature control with pre-programmed SS304 / SS316 / SS317 /TI / NI200 modes
  • 0.05 - 1.0Ω resistance range in joule (TC) mode
  • 212-572° F/ 100-300°C temperature control range
  • Custom temperature coefficient of resistivity (TCR) mode
  • TCR accurate to .0001
  • Constructed from zinc alloy and stainless steel
  • 31mm stainless steel 510 connector with gold plated positive pin
  • Uses dual 18650 high amperage batteries (not included)
  • Low battery voltage indicator
  • Board overheat, atomizer short, battery overcharge, reverse polarity protection


What’s in the Box:

  • 1 x YiHi SXMini G Class SX550J
  • 1 x Braided Nylon Micro-USB Type-C cable with gold plated connectors
  • 1 x User Manual 

VapeWild's Thoughts and Review

All that we can say about the Yihi SX Mini G Class is… WOW! This fantastic mod is in a league of its own and there is so much that we love about this mod. Starting with the battery door, the crazy spring-loaded battery door will truly make sure your batteries stay where they belong without the door randomly swinging open, along with that, the battery connections inside the mod are spring loaded. The top of the mod (where your 510 is) is large and you could easily fit a 30mm tank or atty on it with no issues. On the back of the mod, there is an SX Mini cut out with LED lights (white lights only) that light up when you vape. I would like to see an update where you could have the option to turn them off if you wanted, however, the light is not too bright and does not blink or bring too much attention to you. Now to the face of the mod. The first thing you will notice is the sleek and clean design. You have your beautiful screen, above that is the pentagon shaped button and below the screen is the joystick. Finally let me tell you how amazing the system is, along with the crazy responsive buttons you have a wonderful screen and user interface. You can change everything from the font, wallpapers to temp control. It is just a bonus this mod has Bluetooth…. Yes, Bluetooth. You will no longer have to plug in your mod to a computer to update it, you can do it from the app (available on IOS only for now… we hope Android will come soon)! There will be a “getting used to the menu” period but once you figure it out you will not regret buying this beautiful piece of equipment.  You can also program up to 5 saved modes so that will make it easier for you when swapping out attys. Once you watch the Dale’s Desk video you will understand why this little beauty stands up to its name!

“I would just like to say that this is truly one of the best and consistent mods I have used” – DALE


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  1. Solid, Vapes Great, USB-C, Bluetooth, interface needs refinement

    Posted by Neil on Aug 18th 2017

    Using this mod a little over a week and I'm very pleased if I forget how much I paid. Its might be worth the money for the USB-C but its more than five times what I paid for my Predator 228. My Predator wouldn't do temp control after 5 months. Battery life is great, the display doesn't seem to bring it down. Updating the software is funky. Its Chinese (which they really all are) and the instructions could use a better translation and titles for the controls. However, the joy stick selection rocks... the menu is clear... download your own backgrounds (slow via the bluetooth, faster via PC app). Huge amount of control. Finish is top notch and seems like it will last. The carbon fiber bits have a clear rubber felling finish that sits in your hand well. Its heavy but still sits in my jeans pocket just fine. If you can afford and wondering if you should then I advise you do. 4 and 1/2 out of five, the half off for the bad instructions and difficult to navigate website to get to correct files. Vape Wild purchase and delivery experience top notch shelf as always.

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