Nitecore BR25 High Performance Ultra Compact Bike Light with 1400 lumens
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Nitecore BR25 High Performance Ultra Compact Bike Light with 1400 lumens

by: Nitecore


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The NITECORE BR25 is newly released as the High Performance Ultra Compact Bike Light. It is all purpose applicable including road cycling, mountain biking, outdoor adventures and portable lighting to guarantee you night safety.

Utilizing a Luminus SST-40-W LED with an outstanding max output of 1,400 lumens, the BR25 is ready to guide your ride through darkness. The beam is diffuse reflected to the road surface to form a focused and bright short range area. The diffuse reflection board is made by white PC materials with outstanding diffuse effects and easy for cleaning. The diffuse reflection design ensures no blind spot beneath the front wheel. The non-disruptive cut-off beam is designed to avoid a direct beam to the naked eyes of the pedestrians or drivers of oncoming vehicles. The long range coverage of 163 meters is ideal to clear up the vision ahead.

The user-friendly Power Button offers quick switching between 4 brightness levels and Warning Flashing. The Warning Flashing Mode can be used to signal a warning or draw the attention of the oncoming vehicles or pedestrians in foggy or rainy weather to avoid potential hazards. The OP reflector can provide a wide range soft beam specially designed for outdoor activities.

Recommended to be powered by 1 x 21700 battery to provide a max runtime of 60 hours while compatible with 1 x 18650 battery or 2 x CR123 / RCR123 batteries, the BR25 has full compatibility of battery sizes. Featuring long lifespan, high energy density and powerful performance, 21700 Li-ion batteries were first introduced in the electric car industry and are considered to be the future of cylindrical batteries. The integrated ATR technology regulates the output of the BR25 according to the working condition and ambient environment to maintain the optimal performance.

The tube of the BR25 is constructed from aero grade aluminum alloy with HA III military grade hard-anodized finish. The standard 1" tube offers a comfortable grip when it is transformed to a portable flashlight. The head is aerodynamically designed to reduce air resistance. The BR25 is all-weather applicable as IP68 rated, 2m submersible and 1m impact resistant. It aims to provide you with the best experience of biking as your ultimate choice of bike lights.

 Using a 5000 mAh 21700 Li-ion Battery














2 h 30 min 3 h 15 min 12 h  60 h -------
163 m 91 m 50 m 20 m ------
6,700cd 2,060cd 630cd 108cd -------
1 m ( Impact Resistant )
IP68 Rated, 2 meters underwater



Note: The stated data Is measured In accordance with the International flashlight testing standards ANSI/PLA10 R 1-2019, using 1 x 21700 L1-Ion battery (5,000mAh) under laboratory conditions. The data may vary In red world use due to different battery usage or environmental conditions. 

 Battery Options

     Battery Used  Type Nominal Voltage Compatibility
21700 Rechargeable Li -ion Battery
(Discharge Current Over     8A) 
21700 3.6 / 3.7 v



18650 Rechargeable Li -ion Battery
(Discharge Current Over   8A) 
18650 3.6 / 3.7 v           Yes      Recommended
Primary Lithium Battery  cr123 3.7 v           Yes      Recommended
 21700 Rechargeable Li -ion Battery
(Discharge Current  Below 8A) 
 21700  3.6 / 3.7 v     No
( Incompatible )
 18650 Rechargeable Li -ion Battery
(Discharge Current Below   8A) 
 18650   3.6 / 3.7 v   No
( Incompatible )


    • Utilizes a Luminus SST-40-W LED with a max output of 1,400 lumens

    • Utilizes an OP reflector for a wide range soft beam

    • Max peak beam intensity of 6,700cd and max throw of 163 meters

    • Utilizes a diffuse reflection board to illuminate the blind spot under foot with close range beam (Patent No. ZL201220314015.1)

    • Powered by a 21700 high capacity Li-ion battery while compatible with 18650 and CR123 batteries, to provide a runtime up to 60 hours

    • Highly efficient constant current circuit provides a stable output

    • One side switch controls 4 brightness levels and Warning Flashing

    • The power indicator beneath the switch indicates the remaining battery power (Patent No. ZL201220057767.4) 

    • The power indicator can also display the battery voltage (±0.1 V)

    • NITECORE 21700 Li-ion battery included (NL2150R 5,000mAh)

    • Incorporated Advanced Temperature Regulation (ATR) module (Patent No. ZL201510534543.6)

    • Bike mount included for quick dismounting

    • Tube constructed from aero grade aluminum alloy with HA III military grade hard-anodized finish

    • Waterproof and dustproof rating in accordance with IP68 (2 meters submersible)

    • Impact resistant to 1 meter 

    • Size : Length 148.6 mm (5.85")
    • Head width : 30 mm (1.18")
    • Tube Diameter : 25.4 mm (1")
    • Tail Diameter : 27.2 mm (1.07")
    • Weight : 144.5 g (5.1 oz ) Bike Mount Included)
    • NITECORE 21700 Rechargeable Li-ion Battery (NL2150R 5,000mAh)
    • USB-C Charging Cable
    • Bike Mount for BR25 (with 2 x Thin Mount Pads)
    • 2 x Thick Mount Pads
    • 18650/CR123 Battery Magazine
    • Spare 0-ring
    • Lanyard

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