

NitecoreHeadlamp
Nitecore NU40
Nitecore NU40 is a headlamp released in 2023. Key specs: maximum output 1,000 lm, battery 18650 Li-ion, water protection (IPx) IPx8.
8.1Score
Brightness & throw7.0
Battery & charging6.4
Build & durability7.4
Features5.9
price range$50–65Reference price converted from EUR
1,000 lmMaximum output
18650 Li-ionBattery
IPx8Water protection (IPx)
Spec guide
How it ranks among headlamps of 2023
Compared with headlamps released in 2023. Bars show the share of models it beats.
compared with other headlamps
Why is NU40 a good choice?
Water protection (IPx): IPx8better than 79% of headlamps
In rankings
Specifications
Full specifications
Battery & charging
- Battery
- 18650 Li-ion
- Battery capacity
- 2,600 mAh
- Rechargeable
- Yes
- USB-C charging
- Yes
Size & weight
- Head diameter / width
- 50 mm
Modes & features
- SOS / beacon
- Yes
- Red light
- Yes
- Colours
- Black
Specs are collected from manufacturers and open databases and normalised to one format; check details with the seller before you buy.
In collections
Flashlights — Battery: 18650 Li-ion + Body material: Aluminium38Headlamps — Body material: Aluminium39Flashlights — Battery: 18650 Li-ion + water protection (IPx) from IPx850Flashlights — Battery: 18650 Li-ion + USB-C charging53Flashlights — Red light + Body material: Aluminium53Flashlights: Water protection (IPx) from IPx8 + red light67Headlamps: Water protection (IPx) from IPx870Headlamps: Maximum output from 1,000 lm90














