Sigelei Fuchai Duo-3 175W TC Box Mod


5 Coil Build Memory

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Color Screen Sets the Fuchai Duo-3 Apart

The color, vertically oriented one inch OLED screen makes quick work of checking and adjusting settings on the new Duo-3 175W by Sigelei. Settings for TCR, AFR, ramp time and the like are displayed in logical format across the screen with color keeping separation on the menus for a less confusing quick glance or adjustment. A bottom release button frees the side panel for 18650 access on this 175 watt TC mod with a 0.1 to 3.0 ohm atomizer resistance range for any style tank up to 32mm diameter.

The Fuchai DUO3 reads your atomizer resistance and locks it in. The memory module stores 5 of your favorite combinations, so if you switch from Nickel to Stainless Steel a quick recall is all that’s needed to get back to your optimal settings for that build. A 2.5 amp USB port on the Duo 3 recharges faster than conventional USB charge ports, and supports firmware updates. A smarter mod with a range of features to handle any temperature control build is a smart choice and a good looker.

The Sig Fuchai Duo-3 Box Mod at a glance…

  • 85mm by 42mm by 33mm
  • 175W Maximum Output Wattage
    • 10 to 175W
    • 1.0 to 7.5V
    • 0.1 to 3.0 ohm Atomizer Resistance Range
    • 40A Maximum Output
  • Preheat Power
    • Set Output Wattage and Time
    • Hugely Increases Vaping Capability and Precision
  • Temperature Control
    • Ni200 Nickel Support
    • Titanium Support
    • Stainless Steel Support
      • 316
      • 317
    • TCR Functionality
      • Temperature Coefficient of Resistivity
    • TFR Functionality
      • Temperature Factor of Resistivity
    • Resistance Read and Lock
    • 5 Coil Memory Bank
    • 200 to 570 Degrees Fahrenheit
  • Bottom Button and Rear Battery Access Door
    • Accepts Two 18650 Batteries (sold separately)
  • Ergonomically Placed Controls
    • One Handed Operation
    • Large Firing Button
    • Two Adjustment Control Buttons
  • 1 Inch Vertically Oriented Full Color Display
    • Vibrant Display
    • Atomizer Resistance
    • Output Voltage
    • Output Current
    • Battery State and Battery Life Indicator
    • Output Wattage
    • Output Temperature
    • Puff Counter
  • Micro USB Charge and Update Port
    • 2.5A Maximum Charge Rate
  • Trim and Striking Design
    • Sharp Angular Control Face
    • Curved Chassis
  • Zinc Alloy Aluminum Alloy Chassis
  • Stainless Steel 510 Connection
    • Spring Loaded Gold Plated Connection
  • Low Resistance/Battery Imbalance/Low Input Voltage/Short Circuit/Overheating Protection

The Sig Fuchai Duo-3 Box Mod comes with…

  • One Sigelei Fuchai Duo-3 175W TC Box Mod
  • One Micro USB Charging and Update Cable
  • User Manual

The Fuchai Duo-3 is a Color Upgrade

Additional information


Black, Blue, Gold, Gunmetal, Red, Silver