Nitecore NU31 (Blue)

Nitecore NU31 (Blue)

Nitecore NU31 (Blue)

$64.34 SGD
$69.00 SGD $64.34 SGD
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The Nitecore NU31 in blue brings three light sources together in a rechargeable headlamp for outdoor use and close-range tasks. Its main white beam reaches up to 145 m, while a high-CRI auxiliary white light offers 6- and 50-lumen settings for work nearby. A separate red light gives you another lighting option.

This 550-lumen NU31 uses a built-in 1,800mAh Li-ion battery and USB-C charging. Turbo steps down during extended use; for longer sessions, Nitecore lists eight hours at the 200-lumen setting, with actual results dependent on conditions. It weighs 95.5 g including its bracket and headband.

  • High-CRI auxiliary white light is suited to close-up viewing where colour rendering matters.
  • Full charging takes about three hours with a 5V/1A supply.
  • Includes a diffuser, headband and USB-C charging cable.
  • IP66 protection covers dust and powerful water jets, not submersion. Keep it out of standing water.
  • Nitecore NU31 blue headlamp with black headband, front view
  • NU31 (Blue)
  • Nitecore NU31 ultralow mode illuminating a map
  • Nitecore NU31 battery level indicator diagram
  • Nitecore NU31 headlamp water and impact resistance infographic
  • Nitecore NU31 headlamps in slate grey, chill blue and tangelo orange
  • Nitecore NU31 auxiliary red light in use outdoors
  • Nitecore NU31 dual-button control diagram
  • Nitecore NU31 reflective headband detail
  • Nitecore NU31 optical lens assembly diagram
  • Nitecore NU31 aluminum front housing construction diagram
  • Nitecore NU31 built-in rechargeable battery infographic
  • Nitecore NU31 primary white, auxiliary red and auxiliary white light modes
  • Nitecore NU31 spotlight and floodlight beam demonstration
  • Nitecore NU31 technical data chart
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Max Lumens of 550

Up to 147 hours of runtime

145 meter throw
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Product details

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Best For

Hands-free lighting for work, trail and night tasks.

Performance Specifications

Max Lumens550 lm
Max Beam Distance145 m
Peak Intensity5800 cd
Reflector TypeMulti-faceted unibody optical lens
Beam ColorWhite and red

Build Quality

Dimensions62.3 × 46 × 35.6 mm, bracket included
Weight95.5 g with bracket/headband; 76 g with bracket
MaterialPC with aluminum alloy front housing
Waterproof RatingIP66
Impact Resistance1 m

Battery, Charging & Runtime

Battery TypeBuilt-in rechargeable Li-ion battery
Battery Capacity1800 mAh
Replaceable BatteryNo
Charging TypeUSB-C
Charging TimeApproximately 3 hours at 5V/1A
Maximum RuntimeUp to 147 hours at 6 lm auxiliary white
Battery ChemistryLi-ion

Modes & Interface

Brightness levels3 primary white; 2 auxiliary white
Lighting ModesPrimary white 60/200/550 lm; auxiliary white 6/50 lm; red 5 lm steady and 10 lm flashing; SOS; Beacon
Red Light Modered 5 lm steady and 10 lm flashing
User InterfacePower and MODE buttons; electronic lockout
Display Type4 power indicators
Button TypePush-buttons

Accessories & Mounting

Mount OptionsHeadband and bracket

Special Features

Thermal RegulationTurbo steps down during prolonged use to limit heat and extend battery life

Product Identification & Warranty

Barcode726084420717
Warranty Period24-month manufacturer repair warranty; terms and exclusions apply

What's in the Box

  • NU31 light
  • Headband
  • USB-C charging cable
  • Diffuser
Download the Manual Here

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Frequently asked questions

How is the NU31 charged, and can I swap its battery?

It has a built-in 1,800mAh battery rather than a user-swappable cell. Recharge through USB-C in about three hours with a 5V/1A supply.

What are the NU31’s three light sources?

There is a main white beam, a high-CRI auxiliary white light and a red light. The auxiliary white light offers 6- and 50-lumen settings for closer work.

Does it stay at 550 lumens for five hours?

No. Turbo starts at 550 lumens and steps down during extended use. For planning, Nitecore lists eight hours at the 200-lumen setting and 38 hours at 60 lumens, with results dependent on conditions.

Does the NU31 come with a diffuser?

Yes. A diffuser, headband and USB-C charging cable are included with this listing.

How heavy is it, and can it handle rain?

It weighs 95.5 g with its bracket and headband. IP66 covers dust and powerful water jets, not submersion, so keep it out of standing water.

Are all products authentic and genuine?

Yes—all items are factory-original units sourced through trusted channels. We never sell replicas or knockoffs.

How do I verify a product’s authenticity?

Genuine items include authenticity markers—scratch-off codes, serial numbers, official packaging. Verify codes on the manufacturer’s site. We only list authentic gear.

Do your products come with warranty coverage?

As these products are shipped globally and sourced through various channels, manufacturer warranties may vary by region. However, we stand behind everything we sell—if an item arrives defective or develops an issue shortly after delivery, we’ll work with you to resolve it quickly and fairly. Our goal is to ensure you receive fully functional, authentic products—no compromises.

How long does shipping take?

Estimated total delivery time, including order processing, is generally 10–17 working days, depending on the product, supplier, shipping method and destination.

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