Nitecore NU21 360 Lumen Ultralight Rechargeable Headlamp

Designed for the Outdoors
The NU21 lightweight rechargeable headlamp is built for runners and outdoor enthusiasts. Its unibody optical lens system provides uniform, soft light with up to 360 lumens, reaching 63 yards—ideal for night running and route finding. The NU21 features four brightness modes, plus SOS and Beacon for emergencies. Dual red LEDs protect night vision or serve as a long-lasting signal light. With ultra-low standby power consumption, it offers a 365-day ready experience, while the constant current circuit ensures a stable and comfortable output.

Ultra Lightweight
At only 1.55 oz, the NU21 is designed for comfort and durability, even in low temperatures. The reflective, glow-in-the-dark headband enhances nighttime safety, while its hollow bracket and lightweight construction provide a near weightless feel—perfect for trail running, jogging, backpacking, and trekking.

Rechargeable and Durable
Powered by a built-in rechargeable battery, the NU21 delivers up to 37 hours of runtime on the lowest setting. It fully recharges in just 1.5 hours via USB-C, with a power indicator to track charging status and lockout mode to prevent accidental activation. The dual-button interface allows quick, easy operation. Rated IP66 water resistant and impact resistant to 1 meter, the NU21 is built for outdoor conditions and is available in three stylish colors.