The Nitecore Carbon Battery 6K Extended Headlamp Runtime Kit features a 6000mAh li-ion battery in a durable carbon housing that can power your head torch to increase runtime. Ideal for applications such as running, camping and other outdoor adventures, the battery sits in a lightweight mount and attaches to an included headband.

A braided USB-C charging cable connects the battery to your headlamp, which must be rechargeable via USB-C. The Extender Kit has an innovative quick release construction with a secure connection between the charging port, headlamp and battery to prevent the power cable disconnecting and ensures reliable charging.

The 6K battery is compatible with the following Nitecore head torches, providing the listed increase in runtime:

• NU40 = 2 x longer runtime
• NU43 = 1.6 x longer runtime
• NU50 = 1.3 x longer runtime
• HC65 UHE = 1.2 x longer runtime

When connected to the Carbon Battery 6K, the headlamp will take its power from there first to conserve the light’s own battery.

The unit has 3 red power indicators to show the remaining battery level and doubles up as a red rear safety light. Long press the power button for 1 second to turn it on. The widened 32mm headband offers comfort with a hollow, sweat-wicking design and the reflective detailing gives extra visibility.