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Sigelei Fuchai Duo-3 TC Box Mod 255W (2 Cover Version)

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The Sigelei Fuchai Duo-3 255W TC Box Mod is offered in a 2 Cover Version, integrating a versatile chipset with the ability to quickly change between a modular two or three batteries platform with the maximum capability to fire up to 255W. The 2 Cover Version provides one (1) two-battery cover and one (1) three-battery cover, giving it the combination of power and flexibility to be one of the longer-lasting output technology in the market. The Fuchai Duo-3 is built with highly durable Zinc Alloy construction and a soft contour chassis that fits comfortably in-hand. The device features a centralized control face layout, integrating a large 1 Inch OLED display with full-color resolution to provide organized information in pleasing aesthetics. The adjustment buttons are located below the display for additional ergonomic, with an oversized firing mechanism located on top. A continued advancement in chipset technology, the Fuchai Duo-3 integrates a powerful chipset capable of firing up to 255W with customized temperature control settings such as TCR and TFR adjustments. The addition of upgradeable firmware ensures the for future added features onto the device. Heralding the next generation of the Fuchai collection, the Sigelei Fuchai Duo-3 255W TC Box Mod is a quintessential powerhorse device with long-lasting capability.

Sigelei Fuchai Duo-3 255W TC Box Mod Features:

  • Triple 18650 High-Amp Platform - Batteries Not Included
  • Optional Dual 18650 High-Amp Platform
  • Maximum Wattage Ouput - Triple 18650: 255W
  • Maximum Voltage Output - Triple 18650: 1-9V
  • Maximum Wattage Ouput - Dual 18650: 175W
  • Maximum Voltage Output - Dual 18650: 1-7.5V
  • Min Atomizer Resistance: 0.1ohm
  • Intuitive 1 Inch OLED Display - Full Color Resolution
  • Ni200, Titanium, and Stainless Steel Compatibility
  • Temperature Coefficient of Resistance (TCR) Adjustments
  • Temperature Factor of Resistivity (TFR) Adjustments
  • User-Friendly Preset 5-Memory Modes
  • High-Grade Zinc Alloy Construction
  • Three-Button Operation
  • Large Oversized Firing button
  • Removable Battery Cover - Lock Switch
  • Reverse Battery Protection
  • Low Resistance Protection
  • Battery Imbalance Prtection
  • Low Input Voltage Warning
  • Short Circuit Protection
  • Overheat Protection
  • MicroUSB Port - Firmware Upgrades
  • Spring-Loaded 510 Connection



  • 1 Fuchai Duo-3 Box Mod
  • 1 Built-In Two-Battery Cover
  • 1 Three-Battery Cover
  • 1 MicroUSB Cable
  • Instructional Manual


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