# Headband flashlight Nitecore NU31 Grey LED Aluminium IP66

**URL:** https://aio.lv/en/product--nitecore-nu31slategrey--10614057
**Data updated:** 2026-05-22 12:33 (EEST)
**Category:** Flashlights
**Manufacturer:** Nitecore
**Manufacturer code:** NU31SLATEGREY
**EAN:** 6952506407736
**Warranty:** 3 Years
**Availability:** Available for order
**Price:** 33.99 €
**Prices and availability valid until:** 2026-07-18 23:59
**Price without VAT (21%):** 28.09 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--nitecore-nu31slategrey--10614057

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 25.06.2026 | free |
| Pickup points | 30.06.2026 | 1.99 EUR |
| Courier delivery to door | 30.06.2026 | 4.99 EUR |

## Summary description

The Nitecore NU31 is a grey headband flashlight made of durable aluminium and polycarbonate. It features a single LED lamp with a minimum light output of 5 lumens. The flashlight is shockproof up to 1 meter and has an IP66 rating for water and dust resistance. It is powered by a built-in lithium-ion battery and can be charged via USB, making it ideal for outdoor activities and emergencies.

## Long description

The Nitecore NU31 Grey is a high-performance headband flashlight designed for reliability and versatility in various environments. Constructed from a combination of durable aluminium and polycarbonate, this headlamp offers a robust build that withstands daily wear and tear. It features a powerful LED light source capable of delivering a minimum output of 5 lumens, providing adjustable illumination for close-up tasks or distance visibility. The integrated lithium-ion battery ensures long-lasting operation, and the convenient USB charging capability allows for quick power replenishment, making it a dependable tool for both professional use and recreational outdoor activities.
Advantages
This headlamp stands out due to its lightweight design, weighing only 0.0955 kg, which ensures comfort during extended periods of wear. The aluminium housing provides excellent heat dissipation and structural integrity, while the IP66 rating guarantees protection against heavy rain and dust ingress. Its shockproof construction protects the internal components from impacts up to 1 meter, ensuring consistent performance in rugged conditions. The intuitive interface allows for easy switching between brightness levels, making it highly adaptable to changing lighting needs.
Suitable for
Night hiking and trail running
Camping and outdoor expeditions
Emergency preparedness and power outages
DIY projects and home repairs
Professional maintenance work
When it may not be suitable
This flashlight is not intended for deep-water diving or prolonged submersion, as it is rated for IP66 water resistance rather than full underwater operation. Additionally, users requiring extremely high-intensity long-range searchlight capabilities may find the beam profile more suited for general area illumination rather than long-distance spotting.
Key specifications
Material: Aluminium and polycarbonate
Light source: LED
Minimum output: 5 lumens
Power source: Built-in lithium-ion battery
Charging: USB
Water resistance: IP66
Shockproof: Up to 1 meter
Weight: 0.0955 kg
Colour: Grey
How to use
To operate the Nitecore NU31, use the integrated buttons to cycle through the available brightness modes. The headband is fully adjustable to fit securely on your head or over a helmet. To charge the device, connect the provided USB cable to the charging port located on the unit and plug it into a compatible power source. Ensure the charging port cover is securely closed after charging to maintain the IP66 water and dust resistance rating.
What to consider before purchase
Verify that the USB charging method meets your requirements for field use.
Consider the maximum runtime based on your intended brightness settings.
Ensure the headband adjustment range is compatible with your specific head size or helmet type.
Usage recommendations
For optimal battery longevity, it is recommended to fully charge the flashlight before long trips and to store it in a cool, dry place when not in use for extended periods. Regularly inspect the charging port seal to ensure the water resistance remains intact.

## Specifications

### Features

| Feature | Value |
|---|---|
| Splash proof | Yes |
| Shockproof | Yes |
| Waterproof | Yes |
| International Protection (IP) code | IP66 |
| Shockproof up to | 1 m |

### Battery

| Feature | Value |
|---|---|
| Battery technology | Lithium-Ion (Li-Ion) |
| Battery capacity | 1800 mAh |
| Rechargeable battery | Yes |

### Design

| Feature | Value |
|---|---|
| Product colour | Grey |
| Housing material | Aluminium, Polycarbonate (PC) |
| Flashlight type | Headband flashlight |
| Adjustable headband | Yes |

### Lighting

| Feature | Value |
|---|---|
| Lamp type | LED |
| Number of power levels | 5 |
| Lamps quantity | 1 lamp(s) |
| Light colour | Red, White |
| Luminous intensity | 5800 cd |
| Color Rendering Index (CRI) | 90 |
| Number of light modes | 3 |
| Light output (min) | 5 lm |
| Light output (max) | 550 lm |
| Light beam distance (min) | 5 m |
| Light beam distance (max) | 145 m |
| Flashlight modes | SOS mode, High, Low, Medium, Turbo |

### Power

| Feature | Value |
|---|---|
| Battery type | Built-in battery |
| Input voltage | 5 |
| Battery life (max) | 147 h |
| Battery voltage | 3.7 V |
| Charging source | USB |
| Battery life (boost mode) | 5 h |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.0955 kg |
| Height | 35.6 mm |
| Width | 62.3 mm |
| Depth | 46 mm |

### Packaging content

| Feature | Value |
|---|---|
| Cables included | USB |

## FAQ

### How much does the Headband flashlight Nitecore NU31 cost, and is it available for purchase?

The price is 33.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 20 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 25.06.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Cash payment, Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Nitecore products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Nitecore service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: shockproof, flashlight type, weight, waterproof, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

### Where can I download the instructions for Headband flashlight Nitecore NU31?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

https://aio.lv/img/cache/product/10614057/64848970_large.webp