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Nitecore NU25 400 UL Ultra Lightweight Headlamp

Curated from 60 real Reddit conversations

Refreshed on: April 19, 2025

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Nitecore NU25 400 UL Ultra Lightweight Headlamp

Brand: Nitecore
Price: $36
Snoop Score:
7.8
Sentiment
8.1
Popularity
7.8
Technical
7.8
Buy on Amazon for $36See All Headlamps Reviews
As an Amazon Associate, I earn from qualifying purchases.

Snoop's Take

The Nitecore NU25 400 UL Ultra Lightweight Headlamp is a high-performance lighting solution designed for outdoor enthusiasts, offering a maximum brightness of 400 lumens in a compact and lightweight form. Users have praised its convenience and functionality, noting features like the easy-to-use USB-C rechargeable capability and the versatile lighting modes, with one user stating, "I absolutely love the floodlight option of the new one," highlighting its practical design for various activities such as backpacking and running. Overall, the NU25 headlamp stands out for its excellent lighting performance and durable construction, making it a reliable choice for regular use in different conditions. Despite some concerns regarding the non-removable battery and headband design, the overwhelming positive feedback suggests that this headlamp is highly recommended for those in need of a dependable and effective lighting solution for outdoor adventures.

Not for you? Check out our other rated Headlamps

Recently picked up a couple of these lights for backpacking after seeing them heavily recommended by backpacking youtubers and r/ultralight.

Positive Feedback

It always starts in neutral white.

Negative Feedback
Product
7.8
Nitecore NU25 400 UL Ultra Lightweight Headlamp
Buy on Amazon for $36
Trail Running
9 / 10
Camping & Hiking
9 / 10
Emergency & DIY
6 / 10
Cycling & Night Walking
7 / 10
See how this compares to all Headlamps

What it does well!

Key strengths users can’t stop talking about.
Lightweight design
“Recently picked up a couple of these lights for backpacking after seeing them heavily recommended by backpacking youtubers and r/ultralight.”➕
“I currently use several Nitecore NU25 (modell 2017 with microUSB) as it's still one of the best camping headlights out there.”➕
“Having a separate button for red mode means that you don't get blinded late at night when you want red mode.”➕
“I read several threads and they claim that the original NU25 is much better than the new one.”➕
USB-C rechargeable
“The lesson is, don't let yourself get idiot-tired!”➕
Convenient brightness adjustment feature
“Interesting light!”➕
Additional low brightness mode available
“It also always starts on low which is nice, though the low is rather bright in my opinion, I would rather they cut the medium in half and give us a lower low - or even better, a ~1lumen firefly mode.”➕
Durable and reliable for regular use
“No issues with NU25. I use it almost daily for running at night, walking at night, and also for backpacking.”➕
Satisfactory performance in various conditions
“I've been using my Nu25 exclusively the last two years because I had 2 Black Diamond and 2 Petzl headlamps break in the last 5 years (and I never used any of them in the rain).”➕
Excellent lighting performance
“the lighting it produces is excellent”➕
“Thanks for the detailed response! One of the reasons I went with the NU25 is that it gives way better lighting than my old Petzl”➕
Great headlamp experience
“Great headlamp so far. Will be using it alot in the coming weeks.”➕
Floodlight option is appreciated
“I absolutely love the floodlight option of the new one.”➕

Where it needs some work!

Areas to watch—feedback on possible improvements.
No color temperature memory
“It always starts in neutral white.”➕
Weak headband bracket design
“the part thats hold the band is weak, not sure if its the plastic or design or batch problem”➕
Non-removable batteries
“The batteries are *hardwired and non-replaceable.*”➕
Water resistance may not hold up in heavy rain
“Confidence shaken in my Nitecore (NU20) Headlamp”➕
Concerns about brand reliability
“Personally, I would consider Nitecore a top-shelf brand with really innovative products and good quality.”➕
Non-removable battery
“Rechargeable replaceable batteries are the only option for me.”➕

Compare On All Talked About Dimensions

Product NameImagePriceScoreCompareSee DetailsBuy Now
Nitecore NU25 400 UL Ultra Lightweight HeadlampNitecore NU25 400 UL Ultra Lightweight Headlamp$36
7.8
DetailsBuy
Foxelli LED Headlamp Flashlight for Adults & KidsFoxelli LED Headlamp Flashlight for Adults & Kids$8
7.7
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Fenix HM65R-T V2.0 Running HeadlampFenix HM65R-T V2.0 Running Headlamp$104
6.9
DetailsBuy
Blukar Headlamp Flashlight 2-PackBlukar Headlamp Flashlight 2-Pack$17
6.8
DetailsBuy
Keikuy Headlamp Rechargeable 2PCSKeikuy Headlamp Rechargeable 2PCS$39
6.8
DetailsBuy
BIAT Headlamp Rechargeable - 230° Wide Beam LEDBIAT Headlamp Rechargeable - 230° Wide Beam LED$11
6.8
DetailsBuy
GearLight 2Pack LED HeadlampGearLight 2Pack LED Headlamp$19
6.7
DetailsBuy
MIOISY Headlamp Rechargeable 1200 Lumen LED FlashlightMIOISY Headlamp Rechargeable 1200 Lumen LED Flashlight$13
6.4
DetailsBuy
WWOAA Headlamp Rechargeable 990,000 LumensWWOAA Headlamp Rechargeable 990,000 Lumens$39
6.3
DetailsBuy
Foxelli Rechargeable LED HeadlampFoxelli Rechargeable LED Headlamp$12
6.3
DetailsBuy
Spriak LED Headlamp FlashlightSpriak LED Headlamp Flashlight$17
6.3
DetailsBuy
MIOISY Rechargeable HeadlampMIOISY Rechargeable Headlamp$17
6.2
DetailsBuy
PETZL ACTIK CORE HeadlampPETZL ACTIK CORE Headlamp$55
6.2
DetailsBuy
BLACK DIAMOND Spot 400 LED HeadlampBLACK DIAMOND Spot 400 LED Headlamp$44
6.1
DetailsBuy
Blukar Headlamp FlashlightBlukar Headlamp Flashlight$14
6.0
DetailsBuy
Energizer LED Headlamp Pro260Energizer LED Headlamp Pro260$15
5.5
DetailsBuy
Avlxt LED Headlamp, 2 Pack Rechargeable FlashlightAvlxt LED Headlamp, 2 Pack Rechargeable Flashlight$23
5.5
DetailsBuy
BLACK DIAMOND Deploy Rechargeable Running HeadlampBLACK DIAMOND Deploy Rechargeable Running Headlamp$59
5.4
DetailsBuy
WopkDupk Rechargeable Headlamp 3PCSWopkDupk Rechargeable Headlamp 3PCS$32
5.2
DetailsBuy
Lepro LED Headlamp RechargeableLepro LED Headlamp Rechargeable$15
4.9
DetailsBuy
PETZL Bindi Headlamp - Ultra-Compact Rechargeable 200 LumenPETZL Bindi Headlamp - Ultra-Compact Rechargeable 200 Lumen$49
4.4
DetailsBuy
Black Diamond Spot 350 LED HeadlampBlack Diamond Spot 350 LED Headlamp$34
4.1
DetailsBuy
Nitecore NU20 Classic Ultralight HeadlampNitecore NU20 Classic Ultralight Headlamp$25
4.0
DetailsBuy
LHKNL Headlamp FlashlightLHKNL Headlamp Flashlight$15
3.6
DetailsBuy
BLACK DIAMOND Astro 300 LED HeadlampBLACK DIAMOND Astro 300 LED Headlamp$19
3.6
DetailsBuy

Core Power Plays

The specs and strengths that make it shine.
Preference for cylindrical headlamps for ruggedness and waterproof features
“People here prefer cylindrical headlamps for bring rugged and waterproof.”➕
Discussion about Nitecore's proprietary batteries
“damn proprietary batteries”➕
Discussion on Nitecore focusing on output and efficiency
“Nitecore only focuses on output and efficiency which is cool if that's what you're looking for.”➕
Discussion on weight differences
“Weight matters. With added weight you have to tighten the headband more, headlamp tends to move around more etc.”➕
“For a headlamp, absolutely yes.”➕

Hidden Hero Hacks

Unexpected tricks and side‑door uses you’ll love.
Mention of using Nitecore products for running and close-up work
“I have a super light running headlight I've had for years I use for doing closeup work.”➕
Discussion about alternative mounting techniques.
“While this won't replace a traditional headlamp for route-finding in the dark or lighting up distant objects, I think it's a good, cheap, super-light system for general camp tasks or following a well established trail at night.”➕
“Nice. Like the stretchy straps we used 35 years ago to secure mini-maglites to the sides of our heads, but 1/20 the weight!”➕
“I just copied you. I used 1.5mm guyline instead of zipties, 1.6mm shockcord for the headband, and a micro cordlock. Mine weighs 12.2g and works very well.”➕

Buyer’s Cheat Sheet

What to check before you click ‘Add to Cart.’
Comparison with other headlamp models
“I found all of these to be plenty powerful for all use-cases that I had for them - I rarely need more than a hundred or so lumens out of a headlamp, 400+ is more than I need personally so I was satisfied.”➕
Preference for alternative headlamp models
“Check out the Sunblesa; it should replace the nu25 as the new UL headlamp (although I still prefer my discontinued nu20).”➕
Expression of love for Nitecore products despite personal loss
“Love my Nitecore SRT5 to death.”➕
Discussion about caving headlight options
“Light that can do 400 lumens long-term (minimum 6 hours, ideally 8+), durable (water/mud/dirt), and ultrabright mode (1k lumens).”➕
“My vote is on the Fenix, hasn't let me down yet.”➕
“I generally tell people to buy the Sofirn for the price.”➕
“The H30 is the only option that is even capable of meeting your basic requirements.”➕
Curiosity about runtime
“Still no online reviews. I am curious on the runtime.”➕

Cautionary Callouts

Know the pitfalls before they catch you off guard.
Concerns about authenticity regarding Chinese packaging
“Nitecore dealer claims that lights sold in packaging containing Chinese words is fake. Is this true?”➕
“Hi guys, first post in this subreddit. I came across a video of a Nitecore seller saying that any light with Chinese words on it is fake. The irony is that Nitecore is a Chinese brand.”➕
“I've personally bought a Nitecore (Years ago) as my first decent light. I'm almost certain that the box had Chinese wording on it, and I ended up needing to make a warranty claim.”➕
Humorous take on user experience with headlamps
“my fully charged NU20 headlamp worked for maybe 15 minutes and then cut off.”➕

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