Sigelei Fuchai Duo-3 175/255W Box Mod 2 Cover Version

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The Sigelei Fuchai Duo-3 175/255W Box Mod 2 Cover Version is the latest excellent device from Sigelei. The Sigelei Fuchai Duo-3 “2 Cover Version” comes with an extra battery cover and holds one more battery, making it a total of 3 18650’s. The Mod will run up to 175W with the 2 batteries & up to 255W when using three batteries. Sigelei has implemented a centred 510 with Sigelei Fuchai Duo-3 175/255W Box Mod 2 Cover Version. 


  • Choose from a Dual or Triple Battery Configuration
  • Two Battery Mode (10 to 175W)
  • Three Battery Mode (10 to 255W)
  • Voltage Input 6.4 - 8.4V
  • Voltage Output: 1.0 - 7.5V
  • Temperature Control: Nickel 200 (Ni200), Titanium (Ti), Stainless Steel 304, 316, 317 (SS), TCR, TFR Modes
  • Temperature Range: 100 - 300C / 212 - 572F
  • Resistance Range: 0.1 - 3.0ohm 1.0" OLED Display Screen
  • Detailed Operating Interface
  • Zinc Alloy Construction
  • Requires (2) or (3) High Amp 18650 Batteries (Sold Separately)
  • *External charger recommended for optimal charging speeds*
  • Micro USB Charging Port (DC 5V/2.5A)
  • Firmware Upgradeable
  • 510 Threaded

Package contents:

  • 1x Sigelei Fuchai Duo-3 2 Cover Version 175/255W TC Box Mod
  • 1x Three Battery Cover
  • 1x Micro USB Cable
  • User Manual

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Sigelei Fuchai Duo

Excellent colour screen with easy to navigate menu. Changing settings is also easily done and the mod has excellent battery life in both 2 orc3 battery configurations.

Brian L.
United Kingdom