www.nitefighter.com

www.freewheel.in

BT40S is a wide beam and high brightness mountainbike front light. Utilizing four Cree XP-G2 NeutralWhite LEDs, four brightness modes, max output1600-lumen. It including 7.4V 5200mAh BAKrechargeable li-on battery, more than 3hrs on highoutput. BT40 is the ideal illumination gear formountain biking, touring, commuting, etc.

BT40S

BT40S

MODE Output Runtime Distance IntensityImpact

resistantWaterproof

Turbo 1600 Lumens 3 Hours

138

meters

(Max)

4732cd

(Max)1m IPX-6

High 1200 Lumens 4.2 Hours

Mid 800 Lumens 6.3 Hours

Low 480 Lumens 12.8 Hours

Eco / /

Strobe / /

• Utilizes four Cree XP-G2 Neutral White LEDs,max 1600lumens output

• Powered by four BAK 18650 rechargeable Li-onbatteries,7.4V 5200mAh

• Uses high quality optical lens with a wide beamangle

• 4-Mode Electronic Switch-Low-Med-High-Turbo• Digitally regulated output-maintains constant

brightness• Overheat protection function• 4-Color & 5-Mode LED Indicator displays

remaining battery capacity• Quick to attach and detach using O-ring

mounting straps sized for 20mm-35mmhandlebars

• Made of durable aircraft-grade aluminium• Premium Type III hard-anodized anti-abrasive

finish• Water Resistant• 42mm（Diameter）x50mm(Length)• 105gram(Excluding batteries and accessories)

BT40S

158C

Specification

Model Number 158C

Light Source Cree XM-L2

Luminous Flux 800LM

Battery 4*18650 Li-ion Battery

Lens Ultra-clear lens

Color Black

Beam Angle 120°

Charging Time 3-5Hours

Runtime 3 Hours

LED Life Span 50,000 Hours

Switch Tail Touch Switch

Work Pattern 100%-30%-Flashing

Power Indicator 4 Colors

Shell Material 6061-T6 Aluminum Alloy

Battery Life 500 Times Cycle

Waterproof IP68

Product Size Φ42×52MM

Accessory Battery+Charger+O-rings

Working Temperature -10°C~~40°C

Storage Temperature: 10°C-25°C

BT21

BT21 is a compact and high brightness mountain bikelights. A quantum leap in bike lights, resulting in an all-in-one illumination tool that combines high-output LEDtechnology and variable lumen output. It also has abuilt-in strobe light, plus a fuel gauge that tells youhow much battery power is left. BT21 is the idealillumination gear for mountain biking, touring,commuting, etc.

BT21

MODE Output Runtime Distance IntensityImpact

resistantWaterproof

Turbo 1800 Lumens 2 Hours

179m

(Max)

8000cd

(Max)1 Meter IPX-6

High 900 Lumens 4 Hours

Mid 360 Lumens 10 Hours

Low 20 Lumens 192 Hours

Eco / /

Strobe / /

Batteries

Replacements

Spares

Helmet Mount

Extension Cable

O-Rings

Charger