---
product_id: 722038511
title: "Nitecore Carbon Battery 6K Kit Headlamp Runtime Extender for NU40, NU43, NU45, NU50, and HC65 UHE Headlamps"
brand: "nitecore"
price: "€ 205.77"
currency: EUR
in_stock: true
url: https://www.desertcart.es/products/722038511-nitecore-carbon-battery-6k-kit-headlamp-runtime-extender-for-nu40
store_origin: ES
region: Spain
---

# 2-3x Runtime Extension 21.6Wh Lithium-Ion Power Rear Red Safety Light Nitecore Carbon Battery 6K Kit Headlamp Runtime Extender for NU40, NU43, NU45, NU50, and HC65 UHE Headlamps

**Brand:** nitecore
**Price:** € 205.77
**Availability:** ✅ In Stock

## Summary

> 🔋 Power through the night with Nitecore’s Carbon 6K – because your adventure deserves unstoppable light.

## Quick Answers

- **What is this?** Nitecore Carbon Battery 6K Kit Headlamp Runtime Extender for NU40, NU43, NU45, NU50, and HC65 UHE Headlamps by nitecore
- **How much does it cost?** € 205.77 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.es](https://www.desertcart.es/products/722038511-nitecore-carbon-battery-6k-kit-headlamp-runtime-extender-for-nu40)

## Best For

- nitecore enthusiasts

## Why This Product

- Trusted nitecore brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Safety Meets Style:** Integrated rear red light keeps you visible and secure during night runs or outdoor work.
- • **Tailored Fit & Tidy:** Adjustable strap and cable clips ensure a sleek, secure setup that stays put.
- • **Seamless USB-C Charging:** Fast, universal charging with a quick-release cable for hassle-free power top-ups.
- • **Unmatched Endurance Boost:** Double or triple your headlamp runtime—stay illuminated longer, no compromises.
- • **Featherlight Carbon Design:** Just 3 ounces for balanced comfort that won’t weigh you down during intense activities.

## Overview

The Nitecore Carbon Battery 6K Kit is a lightweight, carbon fiber runtime extender designed for select Nitecore headlamps (NU40, NU43, NU45, NU50, HC65 UHE). It doubles or triples illumination time by powering the headlamp first from its 21.6Wh lithium-ion battery. Featuring USB-C charging, a quick-release secure connection, and a rear red safety light, it balances comfort and performance for professionals and outdoor enthusiasts who demand reliable, long-lasting light.

## Description

The Nitecore Carbon Battery 6K runtime extender Kit can double or triple the runtime of Nitecore headlamps such as the NU40, NU43, NU45, NU50, and HC65 UHE. By connecting directly to the headlamp, the Carbon 6K Battery Kit activates the headlamps' Performance Mode, ensuring long-lasting illumination and stronger brightness. It first draws power from the battery kit, maximizing its runtime before utilizing the headlamp's internal battery. Weighing just over three ounces, its well-balanced design offers optimal weight distribution for a comfortable and secure wearing experience.The Carbon Battery 6K Kit features a USB-C port for easy connection and charging, along with a quick-release clip that ensures a secure connection between the charging port, headlamp, and battery, guaranteeing reliable charging. To check the remaining power, simply short-press the Power Button to illuminate the three red power indicators. Additionally, for added safety, the kit includes a rear red light that serves as a signal light at night.

## Features

- DOUBLES OR TRIPLES RUNTIME - When connected to the headlamp, the Nitecore Carbon 6K Kit significantly extends the run time of Nitecore Headlamps such as NU40, NU43, NU45, NU50, and HC65 HUE.
- SECURE CONNECTION - Comes with a quick-release cable, reliably connecting the kit and headlamp, and clips to tuck the cable neatly around the headband.
- LIGHTWEIGHT - Weighing just over three ounces, carbon 6K fits easily on the back of the headband for a balanced weight distribution and comfortable wearing experience
- RED SAFETY LIGHT - A rear red light serves as a signal light at night, perfect for night runners or outdoor workers
- CONTENTS - Carbon Battery 6K, Headband, Bracket, USB-C to USB-C charging cable, Nitecore Sticker

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Special Feature | Adjustable Strap, Lightweight |
| Colour | Black |
| Power Source | Battery Powered |
| Light Source Type | LED |
| Material | Carbon Fiber |
| White Brightness | 2000 Lumens |
| Included Components | Battery, Charging Cable, Clip, Head Band |
| Product Dimensions | 2.3D x 9W x 2.3H Centimeters |
| Battery Cell Composition | Lithium Ion |
| Item Weight | 0.22 Pounds |
| Number of Batteries | 1 Lithium Ion batteries required. (included) |
| Water Resistance Level | Water Resistant |
| Brand | Nitecore |
| Battery Description | Lithium-Ion |
| Style | Modern |
| Finish Type | Polished |
| Mounting Type | Head Mount |
| Recommended Uses For Product | Extending the runtime of compatible Nitecore headlamps |
| Manufacturer | Sysmax Innovations Co. |
| Part Number | Carbon Battery 6K |
| Number of Items | 1 |
| Shape | Rectangular |
| Finish types | Polished |
| Number of Lights | 1 |
| Special Features | Adjustable Strap, Lightweight |
| Batteries Included | Yes |
| Batteries Required | Yes |
| Wattage | 21.6 Watt Hours |
| Bulb Features | Doubling or tripling the runtime, rear red light for safety, USB-C port for easy connection and charging |

## Product Details

- **Special Feature:** Adjustable Strap, Lightweight
- **Colour:** Black
- **Power Source:** Battery Powered
- **Light Source Type:** LED
- **Material:** Carbon Fiber

## Images

![Nitecore Carbon Battery 6K Kit Headlamp Runtime Extender for NU40, NU43, NU45, NU50, and HC65 UHE Headlamps - Image 1](https://m.media-amazon.com/images/I/71L3BJXg05L.jpg)
![Nitecore Carbon Battery 6K Kit Headlamp Runtime Extender for NU40, NU43, NU45, NU50, and HC65 UHE Headlamps - Image 2](https://m.media-amazon.com/images/I/61zZ0l-sCtL.jpg)
![Nitecore Carbon Battery 6K Kit Headlamp Runtime Extender for NU40, NU43, NU45, NU50, and HC65 UHE Headlamps - Image 3](https://m.media-amazon.com/images/I/71DF+XOyxwL.jpg)
![Nitecore Carbon Battery 6K Kit Headlamp Runtime Extender for NU40, NU43, NU45, NU50, and HC65 UHE Headlamps - Image 4](https://m.media-amazon.com/images/I/61HOzJr2ROL.jpg)
![Nitecore Carbon Battery 6K Kit Headlamp Runtime Extender for NU40, NU43, NU45, NU50, and HC65 UHE Headlamps - Image 5](https://m.media-amazon.com/images/I/61Ef74lNMEL.jpg)

## Frequently Bought Together

- Nitecore Carbon Battery 6K Kit Headlamp Runtime Extender for NU40, NU43, NU45, NU50, and HC65 UHE Headlamps
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- Nitecore NU43 Rechargeable Headlamp, 1400 lumens USB-C Bright Lightweight for Camping, Running, or Working, with Spotlight, Floodlight, Red Light, Including NitecoreS Sticker

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*Product available on Desertcart Spain*
*Store origin: ES*
*Last updated: 2026-01-29*