The Nitecore NU27 headlamp is a game-changer for outdoor enthusiasts seeking ultralight performance without sacrificing power. This powerhouse delivers a dazzling 600 lumens at its peak, yet boasts an impressive 57-hour battery life on its lowest setting, making it ideal for everything from hiking and camping to nighttime running. Powered by a convenient USB-C rechargeable 850mAh battery, the NU27 effortlessly adapts to various needs.Beyond its impressive brightness and battery life, the NU27 stands out with its innovative features. Multiple color temperatures (3000K warm, 4600K neutral, and 6500K cool) cater to diverse environments and weather conditions, while red light modes preserve night vision. A built-in lockout mode prevents accidental activation, and the included stuff sack doubles as a diffuser, transforming the headlamp into a handy lantern. This versatile headlamp is a significant upgrade, offering superior brightness, comfort, and functionality compared to its predecessor.
Pros And Cons
- Ultralight (1.98 oz)
- 600 lumens maximum brightness
- Five brightness levels
- Three color temperatures (3000K warm, 4600K neutral, 6500K cool)
- Ultra-high efficiency LEDs (190 lumens per watt)
- 57-hour battery life in ultra-low mode
- 6.5-hour battery life in 200-lumen mode
- USB-C rechargeable
- SOS mode
- Red light mode
- Battery indicator
- Lockout mode
- Comes with a light diffusion stuff sack (usable as a lantern)
- Includes a clip for attaching to hats or straps
- More comfortable headband than NU25
- Heavier than NU25
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Brightness and Battery Life
The Nitecore NU27 boasts five brightness levels, ranging from a dazzling 600 lumens to a subtle 6 lumens perfect for preserving battery life within a tent.
At its lowest setting, the battery lasts an impressive 57 hours. On the mid-level 200-lumen setting—likely the most commonly used—expect around 6.5 hours of use.
Powered by an 850mAh USB-C rechargeable battery, it's convenient and efficient. The combination of brightness range and impressive battery life makes it suitable for various activities.
Innovative LED Technology
The NU27 utilizes four MCT UH LEDs, offering three distinct color temperatures: 3000K warm light (ideal for adverse weather conditions), 4600K neutral light (general use), and 6500K cool light (extended use).
The 'UH' stands for ultra-high efficiency, generating 190 lumens per watt for exceptional brightness and longevity—a significant upgrade from previous models.
This multi-color temperature feature is a standout aspect, adapting to various environments and improving visibility in different weather conditions.
Additional Features and Design
Beyond brightness, the NU27 includes a lockout mode to prevent accidental activation, red light modes (two levels) for preserving night vision, and an SOS function for emergencies.
The provided stuff sack doubles as a diffuser, transforming the headlamp into a lantern; useful for car camping.
A clip is also included for attaching the headlamp to a hat or backpack strap, offering alternative wearing options. The overall design is sleek, lightweight, and durable, with a comfortable headband
NU27 vs NU25: A Comparison
While both headlamps are excellent, the NU27 offers several improvements over the NU25.
The NU27 boasts brighter output (600 lumens vs ~400 lumens), multiple color temperatures, and a more comfortable headband, while maintaining a similar ultralight weight.
The choice between them hinges on individual needs and preferences; the NU25 is lighter but offers fewer features. The NU27 is better for more active use.
Overall Verdict
The Nitecore NU27 is a top-tier ultralight headlamp, excelling in brightness, battery life, and feature versatility.
Its multi-color temperature LEDs and numerous settings cater to various outdoor activities and weather conditions.
While slightly heavier and more expensive than the NU25, the NU27's enhanced features make it worthwhile for those prioritizing brightness, versatility and a more comfortable fit during active use. It's a strong contender for the best headlamp on the market.