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Foursevens Quark Turbo QB2L

230 0.2 720 h 2 h CR123A x 2
Foursevens Quark Turbo QB2L  
74.94 USD 58.18 USD
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Note: This Foursevens tactical flashlight now uses a Gen2 XML emitter! this means the same run times as Gen1 but with a 20% increase in output!  Order now!

The Foursevens Quark Turbo QB2L Quark series comes complete with a wide selection of options, accessories, and customization features. There are multiple brightness settings that can fit any occasion and serve as a perfect companion for tactical or outdoor environments. The FourSevens Quark Turbo QB2L is also waterproof and constructed from aircraft-grade aluminum, making it ideal for areas with even the harshest weather and field conditions. It also has impact-resistant lenses, to protect the light source. The QB2L is known for having a significantly different UI compared with the regular Quark series flashlights. This UI allows the user to program both primary and secondary outputs.


  • The Foursevens Quark Turbo QB2L uses Cree XP-G2
  • The Foursevens Quark Turbo QB2L is powered by two CR123A Lithium batteries

Runtime/Output Mode

  • Maximum: 230 lumens / 1h 48min
  • High: 85 lumens / 4h 30min
  • Mid: 22 lumens / 20h
  • Low: 4 lumens / 120h
  • Moonlight: 0.2 lumens / 720h
  • Strobe: 230 lumens / 3h
  • SOS: n/a
  • Beacon: 0-230 lumens pulse / 23h

Weight and Dimension

  • Length: 4.90" / 124.46mm
  • Weight: 2.80oz / 79.38gm (excluding batteries)
  • Diameter: 0.86" / 22.86mm
  • Head Diameter: 1.20” / 21.84mm

Features of 4Sevens Quark Turbo QB2LFlashlights

  • Current regulation
  • Smart circuit for rechargeable batteries
  • Reverse-polarity protection

The 4Sevens Quark Turbo QB2L features a smooth, deep, and large reflector for maximum performance. Its body and bezel material are both made of Type III hard-anodized aircraft-grade aluminum. Its lens is also made of impact-resistant glass, and is coated with antireflective coating with a sapphire finish. In addition, the included accessories are batteries, a lanyard, a split ring for keychain attachment, a spare O-ring, and a hand-grip for a complete flashlight set-up that will come in handy for any type of outdoor environment. The Quark Turbo QB2L operates the same as other tactical flashlights in its subseries, but with a significantly different UI than regular 4Sevens Quarks. The Quark Turbo QB2A’s UI allows the user to program both primary and secondary outputs that makes it one of the most sophisticated, advanced, and trustworthy flashlights on the market.

Batteries included

Foursevens 4sevens quark turbo QB2L tactical flashlight