The Nitecore HA11 ultra lightweight dual beam AA Headlamp has a maximum output of 240 lumens and a beam distance of 90 meters. Running on just one AA battery, the HA11 can run for up to 40 hours.

The HA11 head torch is designed for various activities such as night running, camping, trekking, road trips and emergency lighting. It comes with a multi-purpose clip and 90º adjustable bracket, allowing it to be worn many different ways. It can be clipped to a backpack, tactical vest, strap, sling bag, cap brim or used with the included ultra-light reflective and glow in the dark headband as a head torch. 

The Nitecore HA11 offers a white light with 3 brightness levels and a red light with a constant-on or flashing option. It also includes an SOS and beacon mode. To access all modes, simply click the mode button on the top of the light and use the power button to adjust the brightness level. 

The headlamp features an intelligent voltage regulation. Designed with the voltage range, it is compatible with various AA batteries such as alkaline, Ni-MH and lithium batteries.

Brightness levels, runtime and beam distance 

High: 240 lumens - 4 hours - 90 meters

Low: 60 lumens - 10 hours - 45 meters

Ultralow: 6 lumens - 40 hours - 10 meters

SOS: 240 lumens

Beacon: 240 lumens

Red Light 

Constant on: 5 lumens - 10 hours - 10 meters

Slow flashing: 5 lumens

Advanced Temperature Regulation (ATR) adjusts the output of the HA11 based on the working and ambient temperatures. This feature ensures that the device maintains optimal performance while preventing the LED from overheating. The output measurements account for the total runtime, including periods of reduced brightness due to temperature changes or built-in protection mechanisms, which may cause the brightness level to drop.

The Nitecore HA11 includes: 1 x HA11 headlamp, multipurpose clip,  90º adjustable clip, headband and 1 x AA Battery