The Nitecore NU27 is a lightweight rechargeable headlamp featuring MCT UHE LEDs with three white light colour temperatures: warm 3000 K, neutral 4500 K and cool 6500 K. With up to 600 lumens, auxiliary red light, USB-C charging and IP66 protection, it is designed for hiking, camping, trail running and other outdoor activities.
The Nitecore NU27 is a lightweight 56 g rechargeable headlamp designed to combine high output, versatile lighting and easy operation. Its MCT UHE LEDs provide three white light colour temperatures: warm 3000 K, neutral 4500 K and cool 6500 K, allowing the light to be adapted to different conditions and activities. The warm 3000 K light is gentler on the eyes and can help cut through fog and rain. Neutral 4500 K provides clear, natural illumination for everyday use, while cool 6500 K is designed for enhanced visibility outdoors. The headlamp also features auxiliary red light for situations where preserving night vision is important, as well as signalling. The NU27 provides five primary brightness levels together with SOS and Beacon modes. The red light has High, Low and Slow-Flashing modes. Its built-in 850 mAh Li-ion battery provides up to 57 hours of runtime on the lowest 6-lumen setting. USB-C charging makes recharging convenient, while the power indicator shows the battery status. Lockout mode helps prevent accidental activation. Made from durable PC material, the NU27 has an IP66 rating and can withstand impacts from up to 1 metre. Two buttons with different shapes and tactile feedback allow convenient one-handed operation, making the headlamp suitable for hiking, camping, trail running and everyday outdoor use. Suitable for Hiking and walking Camping Trail running and night running Outdoor activities in low-light conditions Everyday use Activities requiring different white light colour temperatures Why choose the Nitecore NU27? Maximum output of 600 lumens Three white light colour temperatures: 3000 K, 4500 K and 6500 K Auxiliary red light Five primary brightness levels SOS and Beacon modes Built-in 850 mAh Li-ion battery Up to 57 hours runtime on the lowest setting USB-C charging IP66 protection 1 m impact resistance Lightweight 56 g construction Two-button one-handed operation Brightness outputs Mode Output Runtime Turbo 600 lm ~ High 400 lm 3 h Mid 200 lm 6 h 30 min Low 70 lm 13 h Ultralow 6 lm 57 h SOS 400 lm ~ Beacon 400 lm ~ Auxiliary red light Mode Output Runtime High 15 lm 8 h 30 min Low 5 lm 27 h Slow-Flashing 15 lm ~ Technical data Specification Value LEDs NiteLab MCT UHE LEDs Maximum output 600 lm Colour temperatures 3000 K / 4500 K / 6500 K Maximum beam distance 123 m Peak beam intensity 3705 cd Battery Built-in 850 mAh Li-ion battery Charging USB-C Protection rating IP66 Impact resistance 1 m Dimensions 65.5 × 33.8 × 25.4 mm Weight 56 g Material PC Included in the box Nitecore NU27 USB-C to USB-C charging cable Headband Clip Diffusing stuff sack FAQ How bright is the Nitecore NU27? The NU27 has a maximum output of 600 lumens and a maximum beam distance of 123 metres. What colour temperatures does the NU27 offer? The main light offers warm 3000 K, neutral 4500 K and cool 6500 K white light, plus an auxiliary red light. How long does the Nitecore NU27 run? The lowest 6-lumen mode provides up to 57 hours of runtime. Actual runtime depends on the selected mode. Is the Nitecore NU27 suitable for use in rain? Yes. Its IP66 rating provides protection against dust and powerful water jets. Comparison and context The NU27 is designed for users who want more flexibility than a conventional single-colour-temperature headlamp can provide. Its three white light colour temperatures allow the lighting to be adapted to different situations, while the red light adds an option for night-time use and signalling. Users looking for maximum output or a specific specialist feature may wish to compare the NU27 with other headlamps in the same category. Recommendation The Nitecore NU27 is a practical option for users who regularly use a headlamp in different environments and want more control over the character of the light. The three colour temperatures are particularly useful when the headlamp is used for trail running, hiking, camping and general outdoor activities. Warm 3000 K light can be more comfortable in fog and rain, neutral 4500 K provides natural general illumination, and cool 6500 K is useful when greater outdoor visibility is desired. The auxiliary red light is useful for night-time activities and signalling. At just 56 g, with a built-in rechargeable battery and USB-C charging, the NU27 is well suited to active use where weight matters. Its IP66 protection and 1 m impact resistance add practical durability. In summary The Nitecore NU27 combines a 600-lumen output, three white light colour temperatures, auxiliary red light and a built-in 850 mAh battery in a lightweight 56 g headlamp. USB-C charging, IP66 protection and multiple lighting modes make it suitable for hiking, trail running, camping and other outdoor activities.
The Nitecore NU27 is a lightweight 56 g rechargeable headlamp designed to combine high output, versatile lighting and easy operation. Its MCT UHE LEDs provide three white light colour temperatures: warm 3000 K, neutral 4500 K and cool 6500 K, allowing the light to be adapted to different conditions and activities. The warm 3000 K light is gentler on the eyes and can help cut through fog and rain. Neutral 4500 K provides clear, natural illumination for everyday use, while cool 6500 K is designed for enhanced visibility outdoors. The headlamp also features auxiliary red light for situations where preserving night vision is important, as well as signalling. The NU27 provides five primary brightness levels together with SOS and Beacon modes. The red light has High, Low and Slow-Flashing modes. Its built-in 850 mAh Li-ion battery provides up to 57 hours of runtime on the lowest 6-lumen setting. USB-C charging makes recharging convenient, while the power indicator shows the battery status. Lockout mode helps prevent accidental activation. Made from durable PC material, the NU27 has an IP66 rating and can withstand impacts from up to 1 metre. Two buttons with different shapes and tactile feedback allow convenient one-handed operation, making the headlamp suitable for hiking, camping, trail running and everyday outdoor use. Suitable for Hiking and walking Camping Trail running and night running Outdoor activities in low-light conditions Everyday use Activities requiring different white light colour temperatures Why choose the Nitecore NU27? Maximum output of 600 lumens Three white light colour temperatures: 3000 K, 4500 K and 6500 K Auxiliary red light Five primary brightness levels SOS and Beacon modes Built-in 850 mAh Li-ion battery Up to 57 hours runtime on the lowest setting USB-C charging IP66 protection 1 m impact resistance Lightweight 56 g construction Two-button one-handed operation Brightness outputs Mode Output Runtime Turbo 600 lm ~ High 400 lm 3 h Mid 200 lm 6 h 30 min Low 70 lm 13 h Ultralow 6 lm 57 h SOS 400 lm ~ Beacon 400 lm ~ Auxiliary red light Mode Output Runtime High 15 lm 8 h 30 min Low 5 lm 27 h Slow-Flashing 15 lm ~ Technical data Specification Value LEDs NiteLab MCT UHE LEDs Maximum output 600 lm Colour temperatures 3000 K / 4500 K / 6500 K Maximum beam distance 123 m Peak beam intensity 3705 cd Battery Built-in 850 mAh Li-ion battery Charging USB-C Protection rating IP66 Impact resistance 1 m Dimensions 65.5 × 33.8 × 25.4 mm Weight 56 g Material PC Included in the box Nitecore NU27 USB-C to USB-C charging cable Headband Clip Diffusing stuff sack FAQ How bright is the Nitecore NU27? The NU27 has a maximum output of 600 lumens and a maximum beam distance of 123 metres. What colour temperatures does the NU27 offer? The main light offers warm 3000 K, neutral 4500 K and cool 6500 K white light, plus an auxiliary red light. How long does the Nitecore NU27 run? The lowest 6-lumen mode provides up to 57 hours of runtime. Actual runtime depends on the selected mode. Is the Nitecore NU27 suitable for use in rain? Yes. Its IP66 rating provides protection against dust and powerful water jets. Comparison and context The NU27 is designed for users who want more flexibility than a conventional single-colour-temperature headlamp can provide. Its three white light colour temperatures allow the lighting to be adapted to different situations, while the red light adds an option for night-time use and signalling. Users looking for maximum output or a specific specialist feature may wish to compare the NU27 with other headlamps in the same category. Recommendation The Nitecore NU27 is a practical option for users who regularly use a headlamp in different environments and want more control over the character of the light. The three colour temperatures are particularly useful when the headlamp is used for trail running, hiking, camping and general outdoor activities. Warm 3000 K light can be more comfortable in fog and rain, neutral 4500 K provides natural general illumination, and cool 6500 K is useful when greater outdoor visibility is desired. The auxiliary red light is useful for night-time activities and signalling. At just 56 g, with a built-in rechargeable battery and USB-C charging, the NU27 is well suited to active use where weight matters. Its IP66 protection and 1 m impact resistance add practical durability. In summary The Nitecore NU27 combines a 600-lumen output, three white light colour temperatures, auxiliary red light and a built-in 850 mAh battery in a lightweight 56 g headlamp. USB-C charging, IP66 protection and multiple lighting modes make it suitable for hiking, trail running, camping and other outdoor activities.