Product features & technical details
- Three different light sources:
- two main LEDs for spotlight and floodlight (mixed mode possible)
- two red light LEDs.
- The headlamp is connected to the headband by means of a new type of holder and can be quickly and easily detached, e.g. to clean the headband.
- the intuitive operating concept has been adopted from the NU33
- simple strap headband and the smaller housing reduce the weight of the NU25UL to just 45 g.
- integrated Li-Ion battery with 650mAh - charging takes place via a USB-C port directly in the lamp
- battery level indicator provides information about the battery charge status

Power and runtime (MIX)
High (400 lumens) for approx. 2 hours 40 minutes
Mid (200 lumens) for approx. 4 hours 40 minutes
Low (60 lumens) for approx. 10 hours 25 minutes

Power and runtime (spotlight)
Mid (200 lumens) for approx. 4 hours 15 minutes
Low (60 lumens) for approx. 10 hours 30 minutes
Power and runtime (floodlight)
Mid (200 lumens) for approx. 4 hours 15 minutes
Low (60 lumens) for approx. 10 hours
Ultralow (6 lumens) for approx. 45 hours

Power and runtime (red light)
Constant ON (10 lumens) for approx. 16 hours
Flashing (10 lumens)
Scope of delivery: Nitecore NU25UL, headband, USB-C charging cable

Further features
- Beam angle 100°
- Housing made from robust PC material
- Waterproof according to IP66
- Lockout mode
- Colour temperature: Main LEDs: approx. 5500K