NiteCore Extreme CREE XP-E R2 LED Flashlight

Nitecore Reviews

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NiteCore Extreme CREE XP-E R2 LED Flashlight

The NiteCore Extreme is specifically designed for self-defense and law-enforcement use. It features a unique infinitely-variable digitally-controlled brightness system with a two-stage memory function.


  • Built-in CREE R2 highly-efficient LED
  • Maximum output: 220 lumens
  • Tactical forward-clicky switch
  • Reverse-polarity battery protection
  • Anti-roll, rugged body design
  • Metal reflector
  • Impact-resistant optical lens with anti-reflective coating on both sides
  • Military-grade aluminum alloy
  • Mil-spec Type III hard-anodized finish
  • Impact resistance rating: US MIL-STD-810F
  • Waterproof to IPX-8 standard

Infinitely-Variable Brightnes System

The NiteCore Extreme adopts a unique infinitely-variable digitally-controlled brightness system which enables users to set the brightness levels by simply rotating the bezel of the light. Switching between brightness levels is smooth without the limitation of having forced or preset brightness levels. Users can choose the output level they need according to their environment or situation. Also, the output can be set to a very low level to achieve very long runtimes.

Outputs and Runtimes

Primary CR123A Battery

  • Maximum Output: 200 lumens, 75 minutes to 50%
  • Minimum Output: 2 lumens, 120 hours to 50%

Rechargeable Lithium-Ion CR123A Battery

  • Maximum Output: 220 lumens, 50 minutes to 50%
  • Minimum Output : 2 lumens, 60 hours to 50%


Dimensions: 92mm (L), 26mm (D)
Weight: 65g, excluding batteries
Battery: One CR123 battery or Li-ion battery

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