Nitecore NU31 Slate Grey Headlamp
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Delivery time is additional. Business days exclude weekends and holidays. Shipping details.A grey headlamp with primary, high-CRI and red channels
The NU31 pairs a primary white beam with high-CRI white and red auxiliary lighting. Its unibody optical lens layout and adjustable headband bracket make it useful for alternating between route lighting and closer tasks without changing lamps.
The integrated 1,800mAh battery charges through USB-C. Two buttons control the lighting choices, and a power indicator helps check readiness before use. This is the Slate Grey physical edition, identified by the model and factory barcode in the specifications.
Exact edition and supplied equipment
The rechargeable battery is integrated into the light. Headband and bracket are included.
Specifications
| Model / edition | NU31 |
|---|---|
| Color | Slate Grey |
| Maximum output | 550 Lumens |
| Light Source | White Light, High CRI White Light, Red Light |
| Max Beam Distance | 145 Meters |
| Max Beam Intensity | 5,800cd |
| Battery | Built-in 1,800mAh Li-ion Battery |
| Maximum runtime (lowest applicable mode) | 147h |
| Dimensions | 62.3mm x 46mm x 35.6mm (2.45" x 1.81" x 1.40") (Bracket Included) |
| Manufacturer-listed weight | 95.5g (3.37 oz) (Bracket and Headband Included) |
| LED | High performance LEDs |
| Ingress protection | IP66 |
| Country of manufacture | China |
| SKU | NCNU31 |
| EAN / UPC | 6952506407736 |
Maximum output, maximum beam distance and longest runtime refer to different operating conditions. Runtime depends on the selected mode, battery and temperature; high-output modes may step down during use. Compatible battery formats are alternatives, not batteries required simultaneously.