--- product_id: 722038511 title: "Nitecore Carbon Battery 6K Kit Headlamp Runtime Extender for NU40, NU43, NU45, NU50, and HC65 UHE Headlamps" brand: "nitecore" price: "€ 204.17" currency: EUR in_stock: true category: "Nitecore" url: https://www.desertcart.at/products/722038511-nitecore-carbon-battery-6k-kit-headlamp-runtime-extender-for-nu40 store_origin: AT region: Austria --- # 2000 lumens max output 3x runtime boost rear red safety light Nitecore Carbon Battery 6K Kit Headlamp Runtime Extender for NU40, NU43, NU45, NU50, and HC65 UHE Headlamps **Brand:** nitecore **Price:** € 204.17 **Availability:** ✅ In Stock ## Summary > 🔦 Illuminate longer, run farther, and stay seen—because your night deserves the best. ## 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?** € 204.17 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.at](https://www.desertcart.at/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 in the Dark:** Integrated rear red light signals your presence—perfect for night runners and team outings. - • **Power Meets Comfort:** Ultra-lightweight carbon fiber design (just 3 oz) ensures balanced, all-night wearability. - • **Ready Out of the Box:** Complete kit includes battery, headband, bracket, and USB-C cable for instant upgrade. - • **Seamless Connectivity:** Quick-release USB-C cable and clip keep your setup sleek and reliably connected. - • **Triple Your Adventure Time:** Doubles or triples runtime for extended outdoor sessions without battery anxiety. ## Overview The Nitecore Carbon Battery 6K Kit is a premium runtime extender designed for select Nitecore headlamps (NU40, NU43, NU45, NU50, HC65 UHE). It triples your headlamp’s battery life by powering the light first from its high-capacity lithium polymer battery, then the internal battery. Crafted from lightweight carbon fiber, it balances comfort and durability, while a quick-release USB-C connection ensures hassle-free charging and secure attachment. A rear red safety light enhances visibility for night activities, making this kit an essential upgrade for professionals and outdoor enthusiasts seeking reliable, long-lasting illumination. ## 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 | |---------------|-------| | ASIN | B0D1HDS2K8 | | Are Batteries Included | Yes | | Battery Description | Lithium-Ion | | Battery Type | Lithium Polymer | | Brand | Nitecore | | Colour | Black | | Customer Reviews | 4.4 4.4 out of 5 stars (51) | | 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 | | Model number | Carbon Battery 6K | | Mounting Type | Head Mount | | Number of Batteries | 1 Lithium Ion batteries required. (included) | | Number of Items | 1 | | Number of Lights | 1 | | Number of Packs | 1 | | Power Source | Battery Powered | | Product Features | Adjustable Strap, Lightweight | | Recommended Uses For Product | Extending the runtime of compatible Nitecore headlamps | | Shape | Rectangular | | 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/41ETewotoIL.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/41EyjiyqKZL.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/41Q-b6zUNPL.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/41B9-IfRSqL.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/41RImaQJh1L.jpg) ## 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.at/products/722038511-nitecore-carbon-battery-6k-kit-headlamp-runtime-extender-for-nu40](https://www.desertcart.at/products/722038511-nitecore-carbon-battery-6k-kit-headlamp-runtime-extender-for-nu40) --- *Product available on Desertcart Austria* *Store origin: AT* *Last updated: 2026-10-10*