The SXmini MQ Class box mod is a compact single 18650 vape mod powered by the YiHi SX416J chipset.
(J stands for Joule, indicating support for temperature control technology.)
Small in size, but powerful and flexible, it supports wattage mode, temperature control, and VT Coil mode.
This guide explains how to use MQ Class, including basic setup, vaping modes, and maintenance tips.
Battery & First Setup
• Open the battery door
• Insert one 18650 battery (negative side out)
• Close the battery door
First use:
• Press fire button 5 times → power on
• Attach atomizer
• Adjust wattage
• Start vaping
Tip: Use high-quality batteries for stable performance.
• Do not use damaged batteries
• Check battery wraps regularly and make sure they are intact before use
Basic Operations
• Power on / off → press fire button 5 times
• Lock / unlock device → press fire button 3 times
• Adjust wattage → use Up / Down buttons
• Lock buttons → hold Up + Down for 3 seconds
Simple control makes it easy for daily use.
Vaping Modes Explained
Press fire button 5 times to enter the main menu:
• Wattage / Voltage Mode
• Output range: 1–60W
• Displays puff count, voltage, resistance, battery
• Temperature Control (TC Mode)
• Supports SS316, Ni200, and TCR wires
• Auto resistance lock at room temperature
• VT Coil Mode (SXmini Technology)
• Designed for SXmini VT Coils
• Select “LOCK NEW” for new coil
• Select “USE OLD” for used coil
• Provides Anti-Burn protection under correct coil conditions
• Smart Curves (Power Curves)
• Preset: Soft / Neutral / Hard
• Customize output curve for better flavor control
• Hold fire button to exit
Search intent covered:
• how to use temperature control vape
• vape power curve settings
• anti burn vape technology
Advanced Features
• Screen flip
• Remove atomizer
• Hold fire button until “Check Atomizer” appears
• Hold Up button to flip screen
• Puff counter reset
• Connect USB-C cable
Safety Protections
The device includes multiple safety protections:
• No atomizer
• Low battery
• Resistance too low
• Overheat protection
• Short circuit protection
Solutions:
• Check atomizer connection
• Recharge battery
• Replace coil
• Let device cool down
Maintenance Tips
• Lock resistance only at room temperature
• VT coils → select “LOCK NEW” on first use
• Clean condensation regularly with a cotton swab or dedicated cleaning tools
These steps improve performance and extend device lifespan.
SXmini MQ Class Specifications
• Chipset: YiHi SX416J
• Battery: Single 18650 (not included)
• Output: 1–60W / 1–8V
• Size: 76 × 24 × 36.75 mm
• Materials: Stainless steel + aluminum
Quick Summary – SXmini MQ Class
• Compact single 18650 box mod
• Supports wattage, temperature control, and VT Coil mode
• Smart curves for customized vaping experience
• Anti-Burn protection when using VT Coil system
• Small size with strong performance
View full SXmini MQ Class specifications and product details:
• SXmini official website – https://yihisxmini.com/products/sxmini-mq-class.html
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