Nitecore Carbon Battery 6K Extended Headlamp Runtime Kit for NU40, NU43, NU45, NU50, and HC65 UHE Headlamps

<p>The Nitecore Carbon Battery 6K 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.<br><br>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.</p><b>Features</b><ul><li>Connects directly to the headlamp via its USB-C cable</li><li>Can charge a headlamp's built-in battery while the headlamp is on</li><li>Lightweight and well-balanced design</li><li>Power indicators to let you know when it's time to charge</li></ul><b>Specifications</b><br><ul><li>LED: ~ </li><li>Maximum Brightness: ~ lumens</li><li>Peak Beam Distance: ~ yards</li><li>Peak Beam Intensity: ~ cd</li><li>IP Rating: IP68 </li><li>Impact Resistance: ~ m</li><li>Capacity: 6000mAh 3.6V (21.6Wh) </li><li>Rated Energy: 3700mAh 5V (TYP 1A) </li><li>Input: USB-C: 5V ~ 2A </li><li>Output: USB-C: 5V ~ 2A </li><li>Brightness & Runtimes:<ul><li>Turbo: ~ / ~</li><li>High: ~ / ~</li><li>Mid: ~ / ~</li><li>Low: ~ / ~</li><li>Ultralow: ~ / ~</li><li>Strobe: ~ / ~</li></ul></li><li> Dimensions: L-3.54"xW-0.9"xH-0.9"</li><li> Weight: 3.54oz</li></ul><b>Includes</b><br><ul><li>Carbon Battery 6K</li><li>Headband</li><li>Bracket</li><li>USB-C to USB-C charging cable</li></ul>