Nitecore SRT7i 3000 lumens Smart Ring Tactical Flashlight

Sale price$205.99 CAD

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Upgraded to Nitecore NL2153HPi 21700 5,300 mAh lithium battery

Authorized Nitecore Dealer Exclusive.


Upgraded to Nitecore NL2153HPi 21700 5,300 mAh lithium battery Authorized Nitecore Dealer Exclusive.





As a new breakthrough in the Smart Ring Tactical Series, the NITECORE SRT7i is equipped with the 4th generation Smart Selector Ring, available with rotation & press for one-handed control of modes switching and stepless brightness adjustment, ideal for instant response in tactical applications.

Featuring stepless brightness adjustment from 0 – 3,000 lumens, the SRT7i can provide a professional and precise way of controlling the brightness in various tasks. It is equipped with dual 2-stage buttons on the tail. Half press and hold the MODE Button to access TURBO and full press the MODE Button to access the STROBE. 

Utilizing a Luminus SFT-70 LED, the SRT7i has a max output of 3,000 lumens, about 200% higher than the previous generation. With a peak beam intensity of 87,500cd, it can provide a max throw of 580 meters, suitable for night searching and more. 

The included NITECORE 21700i Li-ion battery included (NL2150HPi 5,000mAh) features dual way output with positive and negative polarities at both ends and enables 800 hours max runtime on 0.1 lumens ULTRALOW Level with a highly efficient output of 15A. It is USB-C rechargeable, available with a reversible plug-in. Besides, it only takes 2.5 hours to fully charge the SRT7i.

The strike bezel of the SRT7i is designed with high hardness silicon nitride ceramics, which enables a quick and easy operation for self defense and glass breaking. The tactical U-shaped tail cap is compatible with a lanyard, available with accidental activation prevention and tail stand capability. The SRT7i is constructed from aero grade aluminum alloy with HA III military grade hard-anodized finish. It is all-weather applicable, IP68 rated (2m submersible and waterproof), and 2m impact resistant. It is equipped with an anti-impact reverse polarity protection mechanism, specially designed for shooting sports.


Tactical Flashlight YES
LED Brightness Level Waterproof Specifications (Width, Length, Diameter) Weight Battery
 Luminus SFT-70 4 output levels IP-68 163mm(Length)  40mm (Bezel Diameter) 25.8mm (Body Diameter) 175 g 1x21700/2xCR123
ANSI/NEMA FL1 General Mode
  Turbo Low Ultralow Strobe
Brightness 3,000 Lumens 100 Lumens 0.1 Lumens 3,000 Lumens
Runtime 3h 15min -- 800 h __
Distance 580 m 110 m  5 m __
 Intensity  87,500cd   3,010cd 7cd  __ 
 Impact Resistant (2 m)

Waterproof and Submersible (IP68, 2m)  


    • Dual tail switches enable intuitive operations, specially designed for law enforcement, hunting and tactical applications
    • 4th generation of the world's first SSR (Smart Selector Ring) Technology for smoothly and rapidly selecting brightness levels and modes
    • Utilizes a Luminus SFT-70 LED with a max output of 3,000 lumens

    • Stepless brightness adjustment from 0 - 3,000 lumens

    • Stepless adjustment mode, lockout mode and TAC mode available
    • An optical system combined with crystal coating and "Precision Digital Optics Technology" (PDOT)
    • Max peak beam intensity of 87,500cd and max throw of 580 meters 
    • Max runtime of 800 hours
    • STROBE READY"' Technology to enable a quid's access to STROBE Mode (Patent No. ZL201320545349.4)  

    • STROBE Mode uses randomly changing frequencies for stronger dizzying effects 

    • Equipped with a power indicator
    • Intelligent Li-ion battery charging circuit with a USB-C port

    • NITECORE 21700i U-ion battery included (NL2153HPi 5,300mAh)
    • Highly efficient constant current circuit provides a stable output
    • Anti-impact reverse polarity protection mechanism specially designed for shooting sports
    •  Incorporated Advanced Temperature Regulation (ATR) module (Patent No. ZL201510534543.6)

    • Strike bezel uses high strength silicon nitride ceramics to enable excellent glass breaking performance

    • Optical lenses with double-sided scratch resistant coating
    •  Constructed from aero grade aluminum alloy
    • Waterproof and dustproof rating in accordance with IP68 (2 meters submersible)
    • HA III military grade hard-anodized finish
    • Impact resistant to 2 meters
    • Tail stand capability 

    • Length: 163 mm / 6.42"
    • Head Diameter: 40 mm / 1.57"
    • Tube Diameter: 25.8mm / 1.02"
    • Tail Diameter: 31 mm / 1.22"
    • Weight: 175 g / 6.17oz (without battery)
    • Quality holster
    • Clip
    • Spare O-ring
    • Lanyard
    • USB-C Charging cable 
    • Nitecore NL2153HPi 21700 5,300 mAh battery

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