---
product_id: 722038511
title: "Nitecore Carbon Battery 6K Kit Headlamp Runtime Extender for NU40, NU43, NU45, NU50, and HC65 UHE Headlamps"
brand: "nitecore"
price: "S/.777"
currency: PEN
in_stock: true
reviews_count: 5
category: "Nitecore"
url: https://www.desertcart.pe/products/722038511-nitecore-carbon-battery-6k-kit-headlamp-runtime-extender-for-nu40
store_origin: PE
region: Peru
---

# Up to 3x runtime boost Lightweight 3oz carbon fiber Rear red safety signal light Nitecore Carbon Battery 6K Kit Headlamp Runtime Extender for NU40, NU43, NU45, NU50, and HC65 UHE Headlamps

**Brand:** nitecore
**Price:** S/.777
**Availability:** ✅ In Stock

## Summary

> 🔦 Power through the night with unstoppable runtime and sleek carbon style!

## 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?** S/.777 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pe](https://www.desertcart.pe/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

- • **Seamless USB-C Charging:** Fast, reliable charging with a quick-release cable for hassle-free power-ups.
- • **Tailored Fit & Tidy Setup:** Adjustable strap and cable clips ensure a secure, clutter-free headlamp experience.
- • **Featherlight Carbon Design:** Just over 3 ounces for balanced, all-day comfort on your head.
- • **Triple Your Adventure Time:** Doubles or triples runtime for extended outdoor sessions without battery anxiety.
- • **Safety First, Always Visible:** Integrated rear red light keeps you seen during night runs or work shifts.

## Overview

The Nitecore Carbon Battery 6K Kit is a premium carbon fiber runtime extender designed for select Nitecore headlamps (NU40, NU43, NU45, NU50, HC65 UHE). It significantly boosts battery life by up to three times, weighs just over three ounces for balanced comfort, and features a USB-C quick-charge port plus a rear red safety light. Perfect for professionals and outdoor enthusiasts who demand long-lasting, reliable illumination with a modern, lightweight design.

## 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.

Review: A most-worthy upgrade - I think I've just come to enjoy this brand for the function, value and overall aesthetic of the system. Here is a headlamp system (battery + headband) which I gladly purchased (twice now) to outfit two, HC65 UHE headlamps I bought earlier. One headlamp is my back-up... as some of us search-and-rescue folks tend to like reliable gear (in pairs). I don't have a longevity review yet... But I will add that extra bit of information as more time passes and I've used the system under a variety of situations. I can say though, after at least 2-months of regular use (both short and extended) that I like it. The standard set up for the HC65 UHE is great. No complaints. Battery life is wonderful (providing bright, adjustable light and reliability). But just knowing that I'm drawing from the extra battery on the backside of this kit (FIRST) gives me great piece-of-mind when I'm out at night and need to illuminate an area hands-free... while on extended walks or runs. Having a fresh, primary battery inside the light itself just feels right. I've used this extra battery system in rainy, chilly autumn downpours and I'm still grinning ear-to-ear at the value this system provides me (and my dog) as we're out and about in unlit (and occasionally sketchy) areas. The connectors are solid. I've not had any issues with them coming loose at all, whether I've tossed this system in a tightly-compressed dry bag or a loose bag with other items bouncing around with it. The simple headband adjustability, forehead slipstrip and general headband aesthetic remain (as it should). The battery itself is very long lasting (more info to come there with longevity testing). I do love the red charging indicator (4 leds) that give you feedback on the staus of your charge. This doubles as a rear, blinking, caution light (or guide light if you're in a group)... Or you can opt out of that feature entirely and turn that part off. Nice. Nitecore, have you done it again? At least for THIS guy you have. Yes, you have. Thank you!
Review: Best headlamp i have ever found - I've owned several headlamps and this is finally the best i have found. The battery life is great and it will stay on the high mode and not fade out after time. It's got good range and we love it for razor clam digging. Definitely work the money and buy the extra battery pack.

## 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 |
|---------------|-------|
| ASIN | B0D1HDS2K8 |
| Are Batteries Included | Yes |
| Battery Description | Lithium-Ion |
| Battery Type | Lithium Polymer |
| Brand | Nitecore |
| Colour | Black |
| Customer Reviews | 4.3 out of 5 stars 44 Reviews |
| Enclosure Material | Carbon Fiber |
| Finish Types | Polished |
| Included Components | Battery, Charging Cable, Clip, Head Band |
| Item Dimensions D x W x H | 2.3D x 9W x 2.3H Centimeters |
| Item Dimensions L x W x H | 9L x 2.3W x 2.3H Centimeters |
| Item Type Name | headlamp runtime extender |
| Item Weight | 0.22 Pounds |
| Light Output Maximum | 2000 Lumens |
| Light Source Special Features | Doubling or tripling the runtime, rear red light for safety, USB-C port for easy connection and charging |
| Light Source Type | LED |
| Manufacturer | Sysmax Innovations Co. |
| Manufacturer Part Number | Carbon Battery 6K |
| Material | Carbon Fiber |
| Model number | Carbon Battery 6K |
| Mounting Type | Head Mount |
| Number of Batteries | 1 Lithium Ion batteries required. (included) |
| Number of Lights | 1 |
| Power Source | Battery Powered |
| Product Features | Adjustable Strap, Lightweight |
| Recommended Uses For Product | Extending the runtime of compatible Nitecore headlamps |
| Shape | Rectangular |
| Special Feature | Adjustable Strap , Lightweight |
| Style | Modern |
| Unit Count | 1.0 Count |
| Water Resistance Level | Water Resistant |
| Wattage | 21.6 Watt Hours |
| White Brightness | 2000 Lumens |

## Product Details

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

## 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)

## Customer Reviews

### ⭐⭐⭐⭐⭐ A most-worthy upgrade
*by 3***2 on 6 December 2025*

I think I've just come to enjoy this brand for the function, value and overall aesthetic of the system. Here is a headlamp system (battery + headband) which I gladly purchased (twice now) to outfit two, HC65 UHE headlamps I bought earlier. One headlamp is my back-up... as some of us search-and-rescue folks tend to like reliable gear (in pairs). I don't have a longevity review yet... But I will add that extra bit of information as more time passes and I've used the system under a variety of situations. I can say though, after at least 2-months of regular use (both short and extended) that I like it. The standard set up for the HC65 UHE is great. No complaints. Battery life is wonderful (providing bright, adjustable light and reliability). But just knowing that I'm drawing from the extra battery on the backside of this kit (FIRST) gives me great piece-of-mind when I'm out at night and need to illuminate an area hands-free... while on extended walks or runs. Having a fresh, primary battery inside the light itself just feels right. I've used this extra battery system in rainy, chilly autumn downpours and I'm still grinning ear-to-ear at the value this system provides me (and my dog) as we're out and about in unlit (and occasionally sketchy) areas. The connectors are solid. I've not had any issues with them coming loose at all, whether I've tossed this system in a tightly-compressed dry bag or a loose bag with other items bouncing around with it. The simple headband adjustability, forehead slipstrip and general headband aesthetic remain (as it should). The battery itself is very long lasting (more info to come there with longevity testing). I do love the red charging indicator (4 leds) that give you feedback on the staus of your charge. This doubles as a rear, blinking, caution light (or guide light if you're in a group)... Or you can opt out of that feature entirely and turn that part off. Nice. Nitecore, have you done it again? At least for THIS guy you have. Yes, you have. Thank you!

### ⭐⭐⭐⭐⭐ Best headlamp i have ever found
*by A***. on 5 November 2025*

I've owned several headlamps and this is finally the best i have found. The battery life is great and it will stay on the high mode and not fade out after time. It's got good range and we love it for razor clam digging. Definitely work the money and buy the extra battery pack.

### ⭐⭐⭐⭐⭐ Awesome accessory
*by R***2 on 8 March 2026*

Fantastic upgrade for my Nitvor HC65 UHE. Very easy to use. Not too heavy on the head. Seems like it's durable and will last. So far, no issues

## Frequently Bought Together

- Nitecore Carbon Battery 6K Kit Headlamp Runtime Extender for NU40, NU43, NU45, NU50, and HC65 UHE Headlamps
- Nitecore NU53 1800 Lumen Headlamp, USB-C Fast Charging Long Runtime Lightweight Designed for Industrial uses with Auxilary White and Red Light Sticker
- Nitecore NU43 Rechargeable Headlamp, 1400 lumens USB-C Bright Lightweight for Camping, Running, or Working, with Spotlight, Floodlight, Red Light, Including NitecoreS Sticker

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.pe/products/722038511-nitecore-carbon-battery-6k-kit-headlamp-runtime-extender-for-nu40](https://www.desertcart.pe/products/722038511-nitecore-carbon-battery-6k-kit-headlamp-runtime-extender-for-nu40)

---

*Product available on Desertcart Peru*
*Store origin: PE*
*Last updated: 2026-05-17*