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- Up to 550 lumens provides exceptional brightness in a compact headlamp
- Over 400 feet of throw gives you a wide expanse of illumination on trails, jobsites, and more
- Extensive runtime of 8 hours on high and up to 147 hours is perfect for trips, adventures, and more
- Features white, red, and high CRI lighting all in one headlamp
- Utilize SOS and beacon modes during unforeseen emergencies
- IP Rating: IP66
- Batteries Included?: Yes
- Rechargeable: Yes
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Description
Nitecore NU31 USB-C Rechargeable LED Headlamp
Ultralight Headlamp with 3 Light Sources
Nitecore's NU31 headlamp features an ultralight design with features that trail runners, outdoorsmen, and laborers alike will appreciate. Access up to 550 lumens of brightness in this compact light. The primary white light gives you up to over 400 feet of throw, perfect to illuminate large swaths of trail or yard. The auxiliary white light is great for close up tasks and has a high CRI rating, so you can see objects in their most vibrant colors. This feature is especially helpful when needing to identify wires or similar tasks on the job. Red light mode makes it easy to preserve night vision. And the NU31 is simple to use - all these options are accessible through two different shaped buttons, making it easy to identify and utilize each.
Power for the Long Haul
The NU31 features a rechargeable battery that provides outstanding runtimes, making it a great tool to take with you on trips or long work days. The built-in 1800mAh li-ion battery pack provides up to 8 hours on the high setting, or up to 147 hours on moonlight. When depleted, the battery can be recharged in only 3 hours.
Safeguarded and Ready to Travel
Take your light out backpacking or outside to jobs with peace of mind! Lockout mode will protect you from accidental activation when transporting your NU31 in a pocket or backpack. The IP66 rating gives you ingress protection from dust and water. With a durable front aluminum housing, you can trust your NU31 can stand up to wear and tear while you're outside!
| Turbo | High | Mid | SOS | Beacon | |
| Brightness | 550lumens | 200lumens | 60lumens | 550lumens | 550lumens |
|---|---|---|---|---|---|
| Runtime | 5hours | 8hours | 38hours | - | - |
| Distance | 145meters | 90meters | 46meters | - | - |
| Intensity | 5800candela | 2300candela | 640candela | - | - |
| Low | Ultra-Low | |
| Brightness | 50lumens | 6lumens |
|---|---|---|
| Runtime | 42hours | 147hours |
| Distance | 15meters | 6meters |
| Intensity | 58candela | 10candela |
| Constant-On | SOS Flashing | |
| Brightness | 5lumens | 10lumens |
|---|---|---|
| Runtime | 80hours | 50hours |
| Distance | 5meters | - |
| Intensity | 8candela | - |
- Notable Features
- » Aluminum alloy front housing gives this headlamp durability while remaining lightweight
- » Primary plus two auxiliary LEDs provide ample options for spot or flood lighting
- » Battery indicator alerts user to available charge
- » Lockout mode provides protection from accidental activation while storing headlamp in a pack, bag, or pocket
- » Auxiliary white light has high CRI rating (>90) for accurate color depiction
Item Details
| Brand | Nitecore |
| SKU | NITECORE-NU31-BLUE |
| Series | NU |
| Manufacturer Part Number | NU31-BLUE |
| UPC | 6952506407712 |
| Color | Blue |
| Primary Material | Plastic |
| Max Lumens (lm) | 550 |
| Max Throw (m) | 145 |
| Rechargeable | Yes |
| Batteries Included? | Yes |
| Switch | Body |
| Length | 2.45 in (62 mm) |
| IP Rating | IP66 |
| Typical Uses | Camping, Hiking, Running, Travel, Walking |
| In the Box | Batteries, Headstrap, USB Cable, User Manual |
Specifications
| IP Rating | IP66 |
| Drop Resistance | 3.28 ft (1 m) |
| Switch | Body |
| Primary Material | Plastic |
| Secondary Material | Aluminum |
Output Details
| Max Lumens | 550 |
| Max Throw | 145 m (476 ft) |
Power Details
| Batteries Included? | Yes |
| Rechargeable | Yes |
| Charge Style | In-Body Rechargeable |
| Charge Connector | USB-C |
Unit Dimensions
| Length | 2.45 in (62 mm) |
| Width | 1.81 in (46 mm) |
| Height | 1.4 in (36 mm) |
| Weight | 3.37 oz (96 g) |
Certifications & Transport
| Certifications/Standards | ANSI, CE |
| Country Of Origin | China |
Packaging/Shipping Dimensions
| Length | 0 in |
| Width | 0 in |
| Height | 0 in |
| Shipping Weight | 0.36 lb |
Additional Details
| Packaging | Boxed |
| Warranty |
Nitecore 5 Year Warranty Battery Junction Warranty |
| Return Policy | Return Policy |
| Glossary | Flashlight Glossary |
Bright Buys
- Trusted and reliable; consistently rated as a top customer pick for LED flashlights
- Superior 1,600mAh capacity means longer runtimes and less frequent battery changes
- Optimized for both high and low drain devices
- State-of-the-art automated production lines ensure the highest quality and safety protections
- Ideal for low-drain applications that require a primary battery to provide constant power
- 10-year shelf life - stock up for emergencies!
- The best choice for consistent power, great in low-drain devices like remotes
- Safe and reliable - capable of performing in high or low temperatures
- 11-in-1 card sized tool fits in your wallet or on a keychain!
- Packed with handy tools including a screwdriver & 7 wrench settings
- Serrated saw and straight-edge knife for quick cutting jobs
- Can + bottle openers for campsite meals or end-of-shift relaxation
- Four-channels saves time by charging multiple batteries at once.
- Capable of charging multiple chemistries by automatic battery detection.
- LCD display reveals the charging progress, battery type, voltage, and charging current.
- Automatic power-off function cuts off the current when charging is complete.
- Trusted and reliable; consistently rated as a top customer pick for LED flashlights
- Superior 1,600mAh capacity means longer runtimes and less frequent battery changes
- Optimized for both high and low drain devices
- State-of-the-art automated production lines ensure the highest quality and safety protections
- Extremely compact and powerful EDC
- Max output of 3,000 lumens with a max throw of 229 meters
- Dual fuel and available with extender for use with a 26650
- Equipped with 4 x CREE XPG3 LEDs for maximum illumination
- Reliable lithium chemistry with a 10 year shelf life
- Regarded as one of the highest quality CR123A batteries on the market
- Used in LED flashlights, alarm systems, ranger finders and more
- Cells are lightweight, durable and ideal for long term storage
- Jacket style may vary
- 225mAh capacity drives long runtimes for watches and electronics
- CR2032 coin cells packed with 3V of power
- Convenient 6-piece retail card provides backup batteries
- Easily replaceable primary lithium cells
- Top recommended battery for Apple AirTags
- Trusted and reliable; consistently rated as a top customer pick for LED flashlights
- Superior 1,600mAh capacity means longer runtimes and less frequent battery changes
- Optimized for both high and low drain devices
- State-of-the-art automated production lines ensure the highest quality and safety protections
- 3,000 lumens and a 250-meter throw - fierce illumination to light up your backyard
- Multiple output modes are accessible via easy side switch operation
- Strobe, SOS, and beacon modes offer distinct signaling capability
- High-capacity battery supports the light with a maximum 227-hour runtime






