UT6
Magnesium Alloy Three Color Temperatures Trail Running Headlamp
The NITECORE UT6 Magnesium Alloy Three Color Temperatures Trail Running Headlamp features the MCT (Multiple Color Temperatures) lighting system, offering three color temperatures and three CRI options, with each color temperature capable of delivering up to 1,600 lumens and a maximum beam distance of 195 meters. Weighing only 130g (4.59 oz), the NITECORE UT6 is powered by a 4,000mAh rechargeable Li-ion battery and provides up to 31 hours of runtime at 150 lumens. Combined with the Rapid Reel™ headband, Long-Runtime Mode, High-Performance Mode, and Lockout Mode, it is designed to meet the demanding lighting needs of 100-mile ultra races.
1600Lumens
4000mAh
31h
195Meters
UT6.Magnesium Alloy Three Color Temperatures Trail Running Headlamp.Warm, Neutral or Cool - Full Power Always.100 Miles Ready
Exclusive Technology.Variable CRI.Multiple Color Temperatures.1600 Lumens.195 Meters.Across All Three Color Temperatures 31h Max Runtime (150 Lumens)4000mAh Li-ion Battery Included.Pull. Fasten. Done.Rapid Reel™ Headband Instant Switch.Lockout Mode Long-Runtime Mode High-Performance Mode.130g / 4.59 oz.Total Weight.(Battery, Bracket and Headband Included)
1600 Lumens & 195 Meters.Across All Three Color Temperatures.Never compromise brightness due to changing environments.From rain and fog to dense forests and open terrain, stay in your brightest moments at all times.Rain & fog.Dense Forest.Open Terrain
Lightweight Magnesium Alloy Body.130g / 4.59 oz.Total Weight.Born for the Trails - Lighter, Tougher.Lightweight Magnesium Alloy Body ...Excellent heat dissipation and lightweight design, approximately 30% lighter than aluminum alloy of the same size.Reinforced Composite Bracket ..With high toughness and impact resistance, ensuring stable performance even in low-temperature environments.High-Impact PC Front Shell PC...Lightweight, impact-resistant, and low-temperature resistant, with excellent heat insulation for more comfortable operation.* Weight includes battery, bracket, and headband.
Conquer Two Nights.Keep Your Pace Uninterrupted.The UT6 comes with a 4,000mAh NL1840R rechargeable Li-ion battery.It offers up to 31 hours of runtime at the 150-lumen level, enough to power through two nights - stay focused on the trail, not on battery life.31h
Pull and Fasten.Adjust Instantly.(Patent-Protected)Rapid Reel™ Headband.Keep moving without stopping - quick one-handed adjustment on the go.Instantly fine-tune the fit during the race - simple and intuitive, just like tightening a sports watch strap.-----------------------------------------------------------------------------------------------Built for Long-Distance Running.Secure Fit, Mile After Mile.Built to withstand constant impact on long-distance trail runs, it stays secure and stable without slipping or loosening. Tested through 10,000 stretch cycles, the headband maintains a consistent, reliable fit from the first wear. From start to finish, it delivers lasting comfort.* Data from NITECORE Lab for reference only.-----------------------------------------------------------------------------------------------Less Complexity.More Reliability.The headband is designed based on a sports watch strap, and it remains securely fastened even after over 30,000 cycles of testing. It minimizes complex mechanisms to reduce wear and potential failure points, ensuring reliable performance on long-distance trail runs.Rapid Reel™ Headband.No complex mechanisms for less risk of failure and easier adjustment.Mechanical Adjustment Structure: Relies on a rotary knob and ratchet mechanism. Ingress of sand, mud, or other debris may affect smooth adjustment performance.* Data from NITECORE Lab for reference only.
One Headlamp Equals Three.Three Color Temperatures & Three CRI Options.All in One Headlamp.Ready for Any Outdoor Risk.CRI 98.3000K Warm Light.Ensuring clear visual perception in high-risk environments.Rain & Fog.Snowfall.CRI 85.4500K Neutral White Light.Fearless in medium-risk technical terrain.Steep Slopes.Muddy Terrain.Stream Trekking.Snow-Covered Trails.CRI 73.6500K Cool White Light.High visual brightness, ideal for broad and flat low-risk terrain.Flat Terrain.Long-Range Lighting
Variable CRI Multiple Color Temperatures LED.(Patent Pending)MCT UHE LEDs.High-CRI Core.High-Efficiency Core.Featuring 8 dual-core MCT UHE LEDs and a unibody multi-faceted optical lens system, the UT6 offers multiple color temperatures, CRI options, and high luminous efficiency. It faithfully renders the true-to-life colors of objects and provides adaptable lighting for complex, changeable trail conditions.*CRI (Color Rendering Index) is a value from 0 to 100 that measures the ability of a light source to accurately reveal the colors of objects.TrueVision+Unibody Multi-Faceted Optical Lens System.Light Transmission >94%1175.76mm² Reflective Surface.43.4mm Light Emitting Surface.Over 100° Flood Beam.Bring every step into clear view
3 Modes.Slide to Switch.Performance or Runtime, Your way.(Patent Pending)Lockout Mode Long-Runtime Mode High-Performance Mode.Designed with a mode slider, the UT6 allows users to easily switch between Long-Runtime Mode and High-Performance Mode based on race distance or terrain, meeting versatile trail running needs. Sliding to Lockout Mode during storage can prevent accidental activation effectively.
Long-Runtime Mode.Keeps power for the finish line.In long-distance races, the Long-Runtime Mode delivers maximum runtime while maintaining sufficient brightness, minimizing battery swaps and helping runners keep a steady pace.31h Runtime (150 Lumens) 14h Runtime (400 Lumens)For long-distance night races,it balances stable illumination with extended runtime.When power saving is required,it reduces battery anxiety and the need for frequent battery changes.For general outdoor activities,it delivers practical brightness with reliable endurance.（）：Output (Lumens)（）：Runtime (Hours)：Long-Runtime Mode.1600 Lumens.800 Lumens.400 Lumens.150 Lumens
High-Performance Mode.Keeps maximum brightness steady to maintain your pace.In high-intensity races, the High-Performance Mode enables smoother brightness step-downs and maintains a higher average brightness for a stable and high-output lighting experience, enhancing safety with every step.On technical terrain,complex ground is easier to navigate.At high running speeds,route changes are easier to anticipate.In harsh weather conditions,limited visibility is easier to handle.（）：Output (Lumens)（）：Runtime (Hours)：High-Performance Mode.1600 Lumens.800 Lumens.400 Lumens.150 Lumens.* The stated data is measured by using 1 x NITECORE NL1840R Li-ion battery (4,000mAh), in accordance with the international flashlight testing standards ANSI/PLATO FL 1-2019, at an ambient temperature of 26°C (79°F) from the NITECORE Lab. The data may vary in real world use due to different battery usage or environmental conditions.
Three Buttons.Three Color Temperatures.Worry-free operation, stay focused on your run.W Button: Cool White Light.Button: Neutral White Light.Y Button: Warm Light.Each of the three buttons independently controls a color temperature for intuitive operation. During trail running, runners can quickly adjust the light to suit different environments and terrains without distraction.
Seamless Battery Swap.Outrace the 100-Mile Night.The UT6 includes a 4,000mAh rechargeable Li-ion battery with a built-in USB-C port, allowing for direct charging via a power bank. Carrying two batteries ensures uninterrupted power throughout long-night races.Quick swapping keeps your pace steady from start to finish.4,000mAh Rechargeable.Li-ion Battery Included.P13-2.Pick Your Color.Own Your Style.Vivid Purple.Midnight Black
Light for Every Climb.Stay confident while picking your line on climbs.The UT6 features a near-center-of-gravity quick-release bracket for stable wear. Its head tilts up to 45° with quick, one-handed adjustment, keeping overhead paths and grip points in view on climbs.* Data from NITECORE Lab for reference only.
IP68 Dustproof and Waterproof.2m Impact Resistant.The UT6 maintains stable illumination even in rain, mud, gravel, and other challenging terrains.
Built for Extreme Environments.Reliable Performance.Paired with the upcoming all-weather battery, the UT6 supports operation in temperatures from -40°C ~ 45°C (-40°F ~ 113°F) and at high altitudes. It can deliver reliable lighting even in high-altitude, low-temperature, and other extreme environments.-40°C.(-40°F)* Data from NITECORE Lab. The above conditions require the use of the upcoming all-weather battery. Stay tuned.
Your Post-Race Companion.Comes with a diffusing stuff sack that turns the UT6 into a comfortable camping lantern, providing gentle light for post-race rest and recovery.
Born for Running.As the industry leader in trail running, NITECORE is the official gear sponsor of the Ultra-Trail Show organized by UTMB, and the official sole lighting sponsor of the 2025 Hardrock Hundred Mile Endurance Run, as well as the partner of global premier trail races such as HK100, TransLantau by UTMB, UTMS (Ultra Tour Mt. Siguniang), and more. With the slogan "Born for Running", we are committed to offering various lightweight running gear solutions for trail runners, including headlamps, carbon fiber power banks and running belts, which have gained a worldwide popularity in the trail running community.
NITECORE Advanced Headlamp.Powering the Wins of Pro Trail Runners
PRODUCT SPEC
TECHNICAL DATA
FL1 STANDARD | Neutral White Light / Warm Light / Cool White Light | Neutral White Light | ||||
*TURBO | HIGH | MID | LOW | SOS | BEACON | |
| 1,600 Lumens | 800 Lumens | 400 Lumens | 150 Lumens | 1,600 Lumens | 1,600 Lumens |
High-Performance Mode | 2h 30min | 3h 45min | 6h 30min | 14h | ─ | ─ |
Long-Runtime Mode | 3h 30min | 5h 30min | 13h | 31h | ─ | ─ |
| 195m | 132m | 96m | 56m | ─ | ─ |
| 9,508cd | 4,381cd | 2,289cd | 794cd | ─ | ─ |
| 2m | |||||
| IP68, 2m (Waterproof and Submersible) | |||||
Note: The stated data is measured by using 1 x NITECORE NL1840R Li-ion battery (4,000mAh), in accordance with the international flashlight testing standards ANSI/PLATO FL 1-2019, at an ambient temperature of 26°C (79°F) from the NITECORE Lab. The data may vary in real world use due to different battery usage or environmental conditions.
* This product is equipped with a thermal protection function, which automatically regulates the output of the product according to the working condition to maintain the optimal performance.
FEATURES
- Utilizes eight dual-core MCT (Multiple Color Temperatures) UHE LEDs
- Equipped with primary lights offering three color temperatures: 6,500K cool white light (CRI 73), 4,500K neutral white light (CRI 85), 3,000K warm light (CRI 98)
- Adopts a unibody optical lens system with various facets and the TrueVision+ technology to deliver a large-angle floodlight with smooth and soft beam transitions.
- Max output of 1,600 lumens and max throw of 195 meters
- Includes a NITECORE NL1840R rechargeable Li-ion battery (4,000mAh), providing a max runtime of 31 hours
- Three-button design for easy one-handed operation
- Features a detachable bracket for easy carrying
- Designed with a mode slider for switching between the lockout mode, long-runtime mode, and high-performance mode
- 3 color temperatures, 4 brightness levels and 2 special modes available
- Includes an all-new Rapid ReelTM headband, enabling quick adjustment (Utility Model Patent No. CN202220968372.3)
- Constructed from magnesium alloy and PC
- Impact resistant to 2 meters
- Waterproof and dustproof rating in accordance with IP68 (2 meters submersible)
FAQ
Q：What LEDs are used in the NITECORE UT6?
A：The NITECORE UT6 features eight dual-core MCT UHE LEDs with a unibody optical lens system with various facets. The NITECORE UT6 provides multiple color temperatures, multiple CRI options, and high luminous efficiency, allowing users to switch to the most suitable light source for complex and changing outdoor conditions.
Q：What light sources does the NITECORE UT6 have, and what are their purposes?
A：The NITECORE UT6 offers 3000K warm light (CRI 98), 4500K neutral white light (CRI 85), 6500K cool white light (CRI 73). 3000K Warm Light penetrates fog, rain, and snow for better visibility. 4500K Neutral White Light is suitable for technical terrain like steep slopes and muddy or snowy paths. 6500K Cool White Light delivers bright and efficient lighting for open terrain, flat terrain and long-range pathfinding.
Q：What is the maximum brightness and beam distance of the NITECORE UT6?
A：The NITECORE UT6 delivers up to 1,600 lumens across all three color temperatures, with a maximum beam distance of 195 meters and a peak beam intensity of 9,508cd. Users can switch between different color temperatures to suit varying terrain and environmental conditions, ensuring reliable illumination on technical terrain at night, during high-speed running, and in low-visibility conditions such as rain and fog.
Q：What is the maximum runtime of the NITECORE UT6?
A：The NITECORE UT6 features Long-Runtime Mode, providing up to 31 hours of runtime at 150 lumens and up to 13 hours at 400 lumens. This makes it well-suited for long-distance night races, extended sections between aid stations, and general outdoor activities, helping reduce battery changes and keep runners focused on the trail ahead.
Q：Does the NITECORE UT6 include a battery? What should I do if the battery runs out?
A：The NITECORE UT6 comes with a 4,000mAh NL1840R rechargeable Li-ion battery. The battery features a built-in USB-C charging port, allowing it to be recharged directly from a power bank or USB charger without the need for a dedicated charger. For long-distance races, runners can carry spare batteries and perform quick battery swaps to minimize downtime during the event.
Q：What operating modes does the NITECORE UT6 offer, and when should they be used?
A：The NITECORE UT6 features Long-Runtime Mode, High-Performance Mode, and Lockout Mode. Long-Runtime Mode is ideal for overnight races, ultra races, and situations where extended runtime is a priority. High-Performance Mode provides a more gradual output step-down and a higher average brightness, making it suitable for technical trails, high-speed running, and low-visibility conditions. Lockout Mode helps prevent accidental activation during transportation and storage.
Q：What are the advantages of the Rapid Reel™ headband on the NITECORE UT6?
A：The NITECORE UT6 is equipped with the Rapid Reel™ headband, allowing quick adjustment with a simple pull-and-secure design. The headband can be operated with one hand for added convenience. Inspired by the strap design of sports watches, it minimizes the complexity of traditional mechanical adjustment systems, reducing maintenance concerns while providing reliable performance during frequent adjustments, continuous movement, and demanding trail conditions.
Q：What are the weight, materials, and IP rating of the NITECORE UT6?
A：The NITECORE UT6 weighs 130g (4.59 oz), including the battery, bracket, and headband. It features a PC front shell, a lightweight magnesium alloy body, and a reinforced composite bracket, balancing lightweight construction, heat dissipation, thermal insulation, and structural durability. The NITECORE UT6 is rated IP68 for dust and water resistance and is impact-resistant up to 2 meters, making it well-suited for demanding trail environments, including rain, mud, and gravel.
Q：Why is the NITECORE UT6 suitable for 100-mile trail races?
A：100-mile trail races often involve extended periods of night running, technical terrain, long distances between aid stations, and constantly changing weather conditions. The NITECORE UT6 is designed to address these challenges with up to 1,600 lumens across all three color temperatures, up to 31 hours of runtime at 150 lumens, the Rapid Reel™ headband, Long-Runtime Mode, High-Performance Mode, and Lockout Mode, as well as IP68 protection and 2-meter impact resistance. These features provide a balance of illumination, runtime, comfort, adjustability, and reliability, helping runners tackle demanding ultra races.
Q：How do I choose between the NITECORE UT6 and NITECORE UT27?
A：If you prioritize lightweight comfort for daily training, road running, short-distance/mid-distance trail running, and general outdoor activities, the NITECORE UT27 is an excellent choice. Weighing approximately 74g (2.61 oz), it delivers up to 800 lumens with a maximum beam distance of 168 meters and comes with the HLB1500 rechargeable Li-ion battery. If your focus is 100-mile ultra races, extended night running, higher brightness, longer runtime, and more demanding trail conditions, the NITECORE UT6 is the better option. The NITECORE UT6 delivers up to 1,600 lumens across all three color temperatures, includes a 4,000mAh rechargeable Li-ion battery, provides up to 31 hours of runtime at 150 lumens, and features the Rapid Reel™ headband along with Long-Runtime Mode, High-Performance Mode, and Lockout Mode. These features make it particularly well-suited for long-distance and high-intensity trail races.
PACKAGE LIST
- NITECORE 18650 Rechargeable Li-ion Battery (NL1840R, 4000mAh)
- Rapid ReelTM Headband
- USB-C to USB-C Charging Cable
- Diffusing Stuff Sack
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