NU21 (Yellow) - 360 lumens
Nitecore NU21: All-Purpose Lightweight and Versatile Headlamp
Designed for running, camping, and general outdoor use, providing reliable, adaptable lighting in a durable and user-friendly design.
- 360 lumen brightness over 58 meters
- Red light + White light
- Zero weight feel at just 44g
- 4 brightness levels with SOS and beacon modes
- Easy to use 2 button controls
- USB-C charging port. Zero to full in just 90mins
- Glow in the dark reflective headband
- IP66 rated 1m impact resistant
Designed to Meet the Demands of Adventurous Outdoor Activities
Advanced Optical Technology - With its high-tech lens, the NU21 gives you a clear, wide view without straining your eyes, making night hikes or runs much safer and more enjoyable.
White and Red Light - Need bright light to see far ahead or a softer glow to preserve night vision? The NU21’s got you covered with versatile modes perfect for any adventure.
Red Light Settings - The red light mode is a lifesaver for maintaining night vision and signaling for help without blinding your friends.
Ultra Lightweight and Comfortable - At just 44 grams, you’ll forget you’re wearing it. The headband is reflective and glow-in-the-dark for added visibility.
Integrated Rechargeable Battery - No more fumbling with batteries! It takes just 90 minutes to fully charge via USB-C, and you can use it while it’s charging.
Easy to Use Controls - Dual buttons give you one-handed control over different modes, so you can focus on the trail, not the tech.
Durability - Rain or rough trails are no match for the NU21. It’s water-resistant and built to withstand drops, so it’s ready for any adventure.
Equip Yourself with the Lightest Headlamp for Epic Adventures
For those who crave the thrill of the outdoors, every gram counts.
The Nitecore NU21, the lightest headlamp on the market at just 44 grams, offers unparalleled comfort and efficiency for your night-time escapades.
Its powerful beam provides reliable illumination, seamlessly transitioning from wide-open trails to dense forests.
With quick 90-minute USB-C charging and versatile white and red light modes, you’ll always be ready for the next challenge.
Dual button controls ensure effortless operation, making the NU21 an indispensable part of your adventure gear.
OUTPUT AND RUNTIME
| MODE | LUMENS | RUNTIME | DISTANCE | INTENSITY |
|---|---|---|---|---|
| White Light | ||||
| High | 360 | 2h | 58m | 840cd |
| Mid | 170 | 3h 30min | 39m | 399cd |
| Low | 60 | 8h | 24m | 150cd |
| Ultralow | 6 | 37h | 6m | 10cd |
| SOS | 360 | - | - | - |
| Beacon | 360 | - | - | - |
| Red Light | ||||
| Constant-on | 5 | 26h | 4.5m | 5cd |
| Slow flashing | 10 | - | - | - |
*CERTIFIED ANSI/PLATO FL1 Standard
ANSI/PLATO FL1 Standard is a set of flashlight performance guidelines that confirms the light you're buying has been tested to spec, and you're not buying into false performance claims.TECHNICAL SPECS
| LED | High-performance white and red light |
| Reflector | High-efficiency optical lens |
| Battery Requirements | Built-in 500mAh rechargeable Li-ion battery |
| Special Modes | White, Red, Red Flashing, SOS, Beacon |
| IP Rating | IP66, Weather Resistant |
| Impact Resistance | 1 m |
| Dimensions | 60.1mm x 33mm x 25.5mm (2.37" x 1.30" x 1.00") |
| Weight | 44 g / 1.55 oz |
| Download Instruction Manual (PDF) | |
What's In The Box
- 1x NU21
- 1x USB-C Charging Cable
- 1x Headband
Nitecore NU21: All-Purpose Lightweight and Versatile Headlamp
Designed for running, camping, and general outdoor use, providing reliable, adaptable lighting in a durable and user-friendly design.
- 360 lumen brightness over 58 meters
- Red light + White light
- Zero weight feel at just 44g
- 4 brightness levels with SOS and beacon modes
- Easy to use 2 button controls
- USB-C charging port. Zero to full in just 90mins
- Glow in the dark reflective headband
- IP66 rated 1m impact resistant
Designed to Meet the Demands of Adventurous Outdoor Activities
Advanced Optical Technology - With its high-tech lens, the NU21 gives you a clear, wide view without straining your eyes, making night hikes or runs much safer and more enjoyable.
White and Red Light - Need bright light to see far ahead or a softer glow to preserve night vision? The NU21’s got you covered with versatile modes perfect for any adventure.
Red Light Settings - The red light mode is a lifesaver for maintaining night vision and signaling for help without blinding your friends.
Ultra Lightweight and Comfortable - At just 44 grams, you’ll forget you’re wearing it. The headband is reflective and glow-in-the-dark for added visibility.
Integrated Rechargeable Battery - No more fumbling with batteries! It takes just 90 minutes to fully charge via USB-C, and you can use it while it’s charging.
Easy to Use Controls - Dual buttons give you one-handed control over different modes, so you can focus on the trail, not the tech.
Durability - Rain or rough trails are no match for the NU21. It’s water-resistant and built to withstand drops, so it’s ready for any adventure.
Equip Yourself with the Lightest Headlamp for Epic Adventures
For those who crave the thrill of the outdoors, every gram counts.
The Nitecore NU21, the lightest headlamp on the market at just 44 grams, offers unparalleled comfort and efficiency for your night-time escapades.
Its powerful beam provides reliable illumination, seamlessly transitioning from wide-open trails to dense forests.
With quick 90-minute USB-C charging and versatile white and red light modes, you’ll always be ready for the next challenge.
Dual button controls ensure effortless operation, making the NU21 an indispensable part of your adventure gear.
OUTPUT AND RUNTIME
| MODE | LUMENS | RUNTIME | DISTANCE | INTENSITY |
|---|---|---|---|---|
| White Light | ||||
| High | 360 | 2h | 58m | 840cd |
| Mid | 170 | 3h 30min | 39m | 399cd |
| Low | 60 | 8h | 24m | 150cd |
| Ultralow | 6 | 37h | 6m | 10cd |
| SOS | 360 | - | - | - |
| Beacon | 360 | - | - | - |
| Red Light | ||||
| Constant-on | 5 | 26h | 4.5m | 5cd |
| Slow flashing | 10 | - | - | - |
*CERTIFIED ANSI/PLATO FL1 Standard
ANSI/PLATO FL1 Standard is a set of flashlight performance guidelines that confirms the light you're buying has been tested to spec, and you're not buying into false performance claims.TECHNICAL SPECS
| LED | High-performance white and red light |
| Reflector | High-efficiency optical lens |
| Battery Requirements | Built-in 500mAh rechargeable Li-ion battery |
| Special Modes | White, Red, Red Flashing, SOS, Beacon |
| IP Rating | IP66, Weather Resistant |
| Impact Resistance | 1 m |
| Dimensions | 60.1mm x 33mm x 25.5mm (2.37" x 1.30" x 1.00") |
| Weight | 44 g / 1.55 oz |
| Download Instruction Manual (PDF) | |
What's In The Box
- 1x NU21
- 1x USB-C Charging Cable
- 1x Headband
Description
Nitecore NU21: All-Purpose Lightweight and Versatile Headlamp
Designed for running, camping, and general outdoor use, providing reliable, adaptable lighting in a durable and user-friendly design.
- 360 lumen brightness over 58 meters
- Red light + White light
- Zero weight feel at just 44g
- 4 brightness levels with SOS and beacon modes
- Easy to use 2 button controls
- USB-C charging port. Zero to full in just 90mins
- Glow in the dark reflective headband
- IP66 rated 1m impact resistant
Designed to Meet the Demands of Adventurous Outdoor Activities
Advanced Optical Technology - With its high-tech lens, the NU21 gives you a clear, wide view without straining your eyes, making night hikes or runs much safer and more enjoyable.
White and Red Light - Need bright light to see far ahead or a softer glow to preserve night vision? The NU21’s got you covered with versatile modes perfect for any adventure.
Red Light Settings - The red light mode is a lifesaver for maintaining night vision and signaling for help without blinding your friends.
Ultra Lightweight and Comfortable - At just 44 grams, you’ll forget you’re wearing it. The headband is reflective and glow-in-the-dark for added visibility.
Integrated Rechargeable Battery - No more fumbling with batteries! It takes just 90 minutes to fully charge via USB-C, and you can use it while it’s charging.
Easy to Use Controls - Dual buttons give you one-handed control over different modes, so you can focus on the trail, not the tech.
Durability - Rain or rough trails are no match for the NU21. It’s water-resistant and built to withstand drops, so it’s ready for any adventure.
Equip Yourself with the Lightest Headlamp for Epic Adventures
For those who crave the thrill of the outdoors, every gram counts.
The Nitecore NU21, the lightest headlamp on the market at just 44 grams, offers unparalleled comfort and efficiency for your night-time escapades.
Its powerful beam provides reliable illumination, seamlessly transitioning from wide-open trails to dense forests.
With quick 90-minute USB-C charging and versatile white and red light modes, you’ll always be ready for the next challenge.
Dual button controls ensure effortless operation, making the NU21 an indispensable part of your adventure gear.
OUTPUT AND RUNTIME
| MODE | LUMENS | RUNTIME | DISTANCE | INTENSITY |
|---|---|---|---|---|
| White Light | ||||
| High | 360 | 2h | 58m | 840cd |
| Mid | 170 | 3h 30min | 39m | 399cd |
| Low | 60 | 8h | 24m | 150cd |
| Ultralow | 6 | 37h | 6m | 10cd |
| SOS | 360 | - | - | - |
| Beacon | 360 | - | - | - |
| Red Light | ||||
| Constant-on | 5 | 26h | 4.5m | 5cd |
| Slow flashing | 10 | - | - | - |
*CERTIFIED ANSI/PLATO FL1 Standard
ANSI/PLATO FL1 Standard is a set of flashlight performance guidelines that confirms the light you're buying has been tested to spec, and you're not buying into false performance claims.TECHNICAL SPECS
| LED | High-performance white and red light |
| Reflector | High-efficiency optical lens |
| Battery Requirements | Built-in 500mAh rechargeable Li-ion battery |
| Special Modes | White, Red, Red Flashing, SOS, Beacon |
| IP Rating | IP66, Weather Resistant |
| Impact Resistance | 1 m |
| Dimensions | 60.1mm x 33mm x 25.5mm (2.37" x 1.30" x 1.00") |
| Weight | 44 g / 1.55 oz |
| Download Instruction Manual (PDF) | |
What's In The Box
- 1x NU21
- 1x USB-C Charging Cable
- 1x Headband
