NITECORE NU25 MCT UL - 400 LUMENS

For trail runners, ultralight hikers and campers: 400 lumens of trail-ready light at just 47g complete, with three white colour temperatures and a built-in red rear light, all recharged over USB-C.

47 grams on your head, 400 lumens down the trail

The lightest way to run, hike and camp through the dark, with three white colour temperatures and a red rear light built in.

• Just 47g complete, with the bracket and reflective headband fitted
• 400 lumens throwing 132 metres for technical trail and route finding
• Three white colour temperatures (3000K warm, 4500K neutral, 6500K cool) for fog, general use and long-distance clarity
• USB-C rechargeable built-in 700mAh battery, charges from the same power bank as your phone
• 13 hours on 60-lumen Low and 45 hours on Ultralow for multi-night trips
• Red light in two levels plus flashing for map reading and alerting traffic behind you
• IP66 weatherproof and impact resistant to 1 metre for real conditions
• Two shaped buttons work by feel, even in winter gloves, with a 2-second lockout for your pack

Three white colour temperatures, one button to switch them

WARM, NEUTRAL OR COOL ON DEMAND - The MCT (Multiple Colour Temperatures) system gives you 3000K warm light that cuts through fog and rain without glare, 4500K neutral white for general trail use, and 6500K cool white for striking long-distance clarity on a fast descent. Each temperature comes from dedicated LEDs in both primary lights, so you keep full brightness when you change the tone.

A SINGLE MODE BUTTON - Tap the MODE button to move between colour temperatures while you keep moving. There is no menu to dive into and nothing to relearn at 3am, which matters when your hands are cold and your eyes are on the trail.

BUILT AROUND TWO PRIMARY LIGHTS - Both primary LEDs carry all three colour temperatures, giving an even, wide spread rather than a single hot spot. That broad field is what keeps peripheral footing visible when you are running technical ground.

47 grams complete, headband and all

WEIGHED WITH EVERYTHING ON - The 47g figure is the whole system: light, built-in battery, hollow bracket and headband together. For context, a single 18650 cell weighs around 45g on its own, so the entire NU25 MCT UL adds barely two grams more than one spare battery. Ultralight hikers counting every gram get real output without the penalty.

BUILT TO VANISH ON A RUN - The ultralight headband and hollow bracket keep mass low and balanced at the front, so there is little to bounce when you pick up the pace. After the first kilometre most runners stop noticing it is there.

PC HOUSING THAT TAKES A KNOCK - The PC construction is impact resistant to 1 metre, covering the drops that happen when you are fumbling with gear in the dark, while keeping the weight down where it counts.

400 lumens reaching 132 metres ahead

ENOUGH REACH FOR TECHNICAL GROUND - On High the NU25 MCT UL puts out 400 lumens and throws 132 metres, far enough to read a technical descent or pick a line off-trail before you commit to it. Peak intensity is 4,351cd, so the centre of the beam stays useful at distance.

A WIDE, EVEN FIELD - The TrueVision optical matrix lens passes over 94% of the light it collects across a wide beam, lighting your feet and your peripheral vision at the same time rather than punching one narrow spot. That spread is what keeps you sure-footed at speed.

STEP DOWN AND STRETCH THE RUNTIME - Drop to 200-lumen Mid for five hours, 60-lumen Low for thirteen hours, or 6-lumen Ultralow for forty-five hours. The light holds back automatically when it warms up, so output stays steady through a long session.

Two buttons you can run by feel

SHAPED FOR GLOVED HANDS - The Power and MODE buttons differ in shape and texture, so you can find the right one without looking, even in thick winter gloves. Power handles on, off and brightness. MODE switches colour temperature. One-handed operation is the whole point.

LOCKOUT FOR THE PACK - Hold both buttons for two seconds to lock the light, so it cannot switch on and drain inside your bag between sessions. Hold again to wake it.

RUNTIME AT A GLANCE - Press MODE while the light is off and the power indicator shows your level: four lights for 75 to 100%, down to one light below 25% when it is time to charge. The display holds for two seconds, then clears to save power.

Red light and a true ultralow for the quiet hours

RED WITHOUT CYCLING THROUGH WHITE - The red light is its own mode, reached directly rather than by scrolling past bright white that wrecks your dark adaptation. Run it for map reading, stargazing or moving quietly around a sleeping camp. Red High runs 10 hours, Red Low holds 26 hours, and a red flashing mode is there to mark yourself at night.

6 LUMENS THAT LAST 45 HOURS - Ultralow gives a gentle 6 lumens for up to 45 hours, plenty for reading in the tent, finding the zip at 3am, or stretching the battery across several nights between charges.

A SOFT CAMP LANTERN IN THE BOX - Slip the included diffusing stuff sack over the lamp and the spot beam becomes even area light for the tent or table. When you pack up, the same sack stows and protects the headlamp.

A headband that helps drivers see you

REFLECTIVE AND GLOW-IN-THE-DARK - The headband is woven with reflective thread and a glow-in-the-dark strand, so headlights pick you up from the side and you stay visible even when the lamp is off. On a dark road or trailhead it is one more way of being seen.

STAYS PUT WHEN YOU MOVE - The adjustable band locks to your head size and holds the light steady through a run, a scramble or a fast hike, so the beam tracks where you are looking instead of bouncing.

WASHED OUT AND BACK IN - The light lifts off the bracket, so the band can be rinsed after a sweaty summer effort and refitted in seconds.

Rated for rain, dust and the odd drop

IP66 WEATHER AND DUST RESISTANCE - The IP66 rating means the NU25 MCT UL shrugs off sustained rain, sweat and powerful water jets, as well as wind-blown trail dust. You can keep moving through a downpour rather than packing the light away.

IMPACT RESISTANT TO 1 METRE - The PC housing is rated to survive a 1-metre drop onto a hard surface, which covers the fumbles that happen in the cold and dark.

READY FOR A COLD START - With the battery sealed inside and USB-C charging, there are no loose cells to manage at a pre-dawn alpine start. Charge it the night before and it is ready when you are.

TECHNICAL SPECIFICATIONS

LED: Dual-core NiteLab MCT UHE LEDs plus auxiliary red light

Colour Temperatures: 3000K warm / 4500K neutral / 6500K cool white

Max Output: 400 lumens

Max Beam Distance: 132 metres

Peak Beam Intensity: 4,351cd

Battery: Built-in 700mAh Li-ion (3.85V), non-replaceable

Charging: USB-C charging port

Weather Resistance: IP66 (dust-tight and protected against powerful water jets)

Impact Resistance: 1 metre

Dimensions: 60.0mm x 33.0mm x 25.7mm (2.36" x 1.30" x 1.01")

Weight: 47g / 1.66oz (with bracket and headband)

OUTPUT AND RUNTIME

High: 400 lumens, 2h 40min runtime, 132m distance, 4,351cd intensity

Mid: 200 lumens, 5h runtime, 94m distance, 2,192cd intensity

Low: 60 lumens, 13h runtime, 51m distance, 662cd intensity

Ultralow: 6 lumens, 45h runtime, 13m distance, 43cd intensity

Red High: 15 lumens, 10h runtime, 7m distance, 13cd intensity

Red Low: 5 lumens, 26h runtime, 4m distance, 5cd intensity

Red Flashing: 15 lumens

SOS: 400 lumens

Beacon: 400 lumens

What's In The Box

1x NU25 MCT UL Headlamp - with bracket and reflective headband fitted

1x USB-C to USB-C Charging Cable - for charging from any USB-C source

1x Diffusing Stuff Sack - converts the headlamp into a soft camp lantern

Sold per UNIT.