YiHi SX350J 60w/120w temperature control board




YiHi’s SX350J temperature control board. Information from the manufacturer below. See the product image gallery for more information.


  • The 2nd generation vapor intelligent chip
  • Upgradable chip
  • Mechanical mod Killer-Bypass mode (direct connection mode)
  • 4 modes “Powerful+”, “Powerful”, “Standard” and “Soft”
  • Variable Joule & Variable Wattage
  • Low resistance 0.05 Ohms
  • 200°F-580°F /100℃-300℃
  • OLED 0.91″ Screen
  • Both Gravity Sensor & up/down button adjust the wattage/Variable Joule
  • Rotary display
  • INCLUDES 9v balance charging board for series battery installations (requires 9v power supply, not included).

For full operational manual, see the SX Mini M manual here. Our information page on the SX350J board (includes firmware) here.

CHARGE BOARD SPECIAL: While supplies last, we are including one MMT 1A charge board for each SX350J board you order!

Warranty information

The warranty for the chipset is 6 months. YiHi authorizes warranty replacements, and we fulfill them. From manufacturer:

1. If you’re not skilled, experienced, and comfortable with Electronics, Soldering, and Safety you should not be purchasing this chip! It is intended for experienced individuals.
2. You MUST CHECK THE BOARD WHEN YOU RECEIVE IT and prior to installation.  Any board that has been installed and/or soldered on has voided ANY and ALL warranty claims.
3. All the boards are pre-wired, move anything (including the screen, black glue, soldering joints of all wires etc.)  voids warranty.

Additional information

Weight 2 oz

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