Nitecore NU21 Ultra-Light Headlamp

The NU21 lightweight rechargeable headlamp is the perfect companion for runners and outdoor enthuisasts. Its unibody optical lens system is specifically designed for reflecting a uniform and soft light that can emit a max brightness of 360 lumens that can reach up to 58 meters, making it perfect for night running and route finding.

The NU21 offers versatility with four brightness modes, as well as emergency SOS and beacon. Alternatively, switch to the dual red LEDs and protect your night vision or for a long-lasting signal light. Its ultra-low standby power consumption provides a 365-day ready experience while its highly efficient constant current circuit guarantees a comfortable visual experience.

Weighing at just 44 gr, the NU21 is designed with materials to make it as light as possible while also being durable and resistant to low temperatures. The headband itself is reflective and glows in the dark to help keep you safe at night. Its hollow bracket design and ultra-lightweight headband provide a zero sense of weight, making it perfect for trail running, jogging, long time fishing, backpacking, and trekking.

The NU21 has a built-in rechargeable battery that can achieve a maximum runtime of 37 hours on its lowest setting. With an integrated USB-C port, the NU21 fast charges to full in only one and a half hours.

A power indicator tells you when it's time to charge while lockout mode prevents accidental activation. The dual-button interface puts the controls right at your fingertips so you have much easier handle.  The NU21 is rated IP66 water resistant and has an impact resistance of 1 meter. 

Download here the product manual.

Technical Characteristics

• Max output of 360 lumens with 58 meters beam throw
• Dual button interface for easy mode switching
• 4 brightness levels, 2 light sources and 3 special functions available
• Red light output for preserving night vision
• Lockout mode to avoid accidental activation
• USB-C rechargeable for easy charging
• Maximum Brightness: 360 lumens
• Peak Beam Distance: 58 meters
• Peak Beam Intensity: 840 cd
• IP Rating: IP66
• Built-in Li-ion battery 500mAh
• Impact Resistance: 1 m
• Dimensions: 60.1 mm x 33 mm x 25.5 mm
• Weight: 44 gr