The Nitecore NU20 has a maximum output of 360 lumens from the Cree XP-G2 S3 LED and built-in, rechargeable battery that powers the light rated at 2.22Wh (equivalent to 3x AAA batteries) and a lifespan of 500 charge / discharge cycles.
The NU20 is lightweight and compact with a hollow-carved head support to offer grip & comfort. The headtorch is USB rechargeable and has a rubber cover over the micro USB port protecting it from dust and water. The head torch has a 100º wide angle illumination to cover field of vision and a 52º tilt bracket to fulfil lighting requirements as necessary.
The NU20 features a unique design that allows the torch to be operational while charging. This allowing the user to charge using a battery pack whilst on the go, making the Nitecore NU20 ideal for those long treks or big runs