Klarus XT21X - 4000 lumens - CREE XHP70.2 P2 LED - 21700 x1

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The XT21X is powered by an included 21700 5000mAh battery, rechargeable in the light through the Micro-USB port. This battery powers the CREE XHP70.2 P2 LED to shoot 4000 lumens out to 316 meters for 1.2 hours. Control is done through two switches, one on the tailcap and the other on the side of the head.

This light is machined from aluminum alloy, and given an anti-slip design to keep the XT21X steady. The body is also durable and stands up to water quite well, rated to IPX8 standard.


  • Dual tail switch and side switch designed to meet all user needs
  • Micro-USB 2A fast charging, convenient and fast
  • 1x 5000mAh 21700 Li-ion battery included for long-lasting runtime
  • Tactical/Outdoor two settings design to meet all scenarios and lighting needs
  • Innovative ITS (Intelligent Temperature Protection System) technology, monitors temperature and auto-adjusts output levels in real-time
  • Five lighting levels with optimal output for longer runtime and superior light output distribution


  • Output modes:
    Turbo: 4000 lumens/1.2hr; 316m; 24964cd
    High: 1200 lumens/2.3hr; 172m; 7400cd
    Medium: 400 lumens/6.5hr; 99m; 2450cd
    Low: 100 lumens/21hr; 49m; 600cd
    Moonlight: 5 lumens/200hr; 11m; 30cd
  • LED: CREE XHP70.2 P2
  • Dimensions:
    Head Diam.: 41mm (1.61”)
    Body Diam.: 27.5mm (1.08”)
    Length: 161mm (6.34”)
  • Working Voltage: 2.5V-6.4V
  • Compatible Batteries: 1x 21700
  • Waterproof: IPX8
  • Weight: 158g (5.57oz)(w/o battery)

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