giriiş
This manual provides detailed instructions for the safe and efficient operation of your Nitecore NU25 400L Ultralight Rechargeable Headlamp. Please read this manual thoroughly before use to ensure proper functionality and to maximize the product's lifespan. The NU25 400L is designed for outdoor activities, offering multiple light sources and a lightweight design.
Paket İçeriği
- Nitecore NU25 400L Headlamp
- Built-in 650mAh Li-ion Battery (pre-installed)
- USB-C Şarj Kablosu
- Kafa bandı
Ürün Bittiview

Image: The Nitecore NU25 400L headlamp, featuring a compact black body with two main LED lenses and a smaller red LED. It is attached to a yellow and black elastic headband, designed for comfortable wear. The headband includes adjustable cords for a secure fit.
The Nitecore NU25 400L is an ultralight rechargeable headlamp equipped with dual beams (spotlight and floodlight) and a red light. It features a unibody optical lens system for uniform light distribution and is powered by a built-in 650mAh Li-ion battery, rechargeable via USB-C. Its compact and durable design makes it suitable for various outdoor activities.
Kurmak
1. Pilin Şarj Edilmesi
- Baş kısmındaki USB-C şarj bağlantı noktasını bulun.amp.
- Verilen USB-C kablosunu başlığa bağlayın.amp and a USB power source (e.g., wall adapter, computer, power bank).
- During charging, the four power indicators will flash to show the charging status. When fully charged, all four indicators will glow steadily.
- Tam şarj işlemi genellikle yaklaşık 1 saat 20 dakika sürer.
2. Kafa Bandını Takma
- Thread the elastic headband through the attachment points on the headlamp braket.
- Adjust the length of the headband using the buckles to achieve a comfortable and secure fit around your head.
- The headband is designed to be dual-purpose, featuring reflective and glow-in-the-dark properties. It can also be detached for cleaning or to be used as a running headband.
Kullanım Talimatları
1. Power Button and Mode Button
The NU25 400L features two distinct buttons for operation: the Power Button (larger, raised) and the Mode Button (smaller, recessed). These buttons are designed for easy one-handed operation.
2. Açma/Kapatma
- Açmak için: Press and hold the Power Button for approximately 1 second.
- Kapatmak: Press and hold the Power Button for approximately 1 second while the light is on.
3. Brightness Levels and Light Source Selection
kafaamp offers four brightness levels and three light sources (Spotlight, Floodlight, Red Light).
- White Light (Spotlight/Floodlight):
- When the light is on, short press the Mode Button to cycle through brightness levels: Low (Floodlight) → Medium (Floodlight) → High (Spotlight + Floodlight).
- To switch between Spotlight and Floodlight modes (when not in High), double-press the Power Button.
- Kırmızı ışık:
- When the light is off, press and hold the Mode Button for approximately 1 second to directly access Red Light mode.
- While in Red Light mode, short press the Mode Button to cycle between Red Light Constant On → Red Light Slow Flash.
4. Special Modes (SOS, Location Beacon)
- When the light is off, double-press the Power Button to activate the s.o.s. mod.
- While in SOS mode, short press the Mode Button to switch to Konum İşaretçisi mod.
- To exit special modes, short press the Power Button.
5. Kilitleme Modu
Lockout Mode prevents accidental activation of the headlamp, conserving battery life and preventing unintended light emission.
- To Activate Lockout Mode: When the light is off, press and hold both the Power Button and the Mode Button simultaneously for approximately 2 seconds until the headlamp bir kez yanıp söner.
- To Deactivate Lockout Mode: While in Lockout Mode, press and hold both buttons simultaneously for approximately 2 seconds until the headlamp flashes once and then turns on.
6. Güç Göstergesi
kafaamp features four power indicators to display the remaining battery level:
- 4 Indicators On: Yaklaşık %75 - %100
- 3 Indicators On: Yaklaşık %50 - %75
- 2 Indicators On: Yaklaşık %25 - %50
- 1 Indicator On: Below 25% (Recharge recommended)
Bakım
- Temizlik: Kafanı silamp yumuşak, d bir gövdeye sahipamp bez. Aşındırıcı temizleyiciler veya solventler kullanmaktan kaçının.
- Depolamak: Başlığı saklayınamp in a cool, dry place away from direct sunlight. For long-term storage, it is recommended to fully charge the battery every three months to maintain battery health.
- Suya Dayanıklılık: The NU25 400L is rated IP66, meaning it is protected against dust ingress and powerful water jets. It is not designed for submersion.
Sorun giderme
- kafaamp açılmıyor:
- Check if the battery is charged. Connect to a USB-C power source to charge.
- Başlığı sağlamakamp is not in Lockout Mode. Deactivate Lockout Mode as described in the Operating Instructions.
- Işık çıkışı zayıf:
- The battery level may be low. Recharge the headlamp.
- Merceğin temiz ve herhangi bir engel içermediğinden emin olun.
- Şarj sorunu:
- USB-C kablosunun hem başlığa hem deamp ve güç kaynağı.
- Farklı bir USB-C kablosu veya güç adaptörü deneyin.
Özellikler
| Maksimum Çıktı | 400 Lümen |
| Maksimum Işın Mesafesi | 64 metre |
| Maksimum Işın Yoğunluğu | 1029 tb |
| Maksimum Çalışma Zamanı | 45 saat |
| Pil | Dahili 650mAh Li-ion Pil |
| Özel Modlar | Location Beacon, SOS |
| Işın Rengi | Beyaz Işık, Kırmızı Işık |
| Boyutlar | Xnumxmm x xnumxmm x xnumxmm (xnumx "x xnumx" x xnumx ") |
| Ağırlık | 56 gr (1.98 oz) |
| Su Geçirmezlik Derecesi | IP66 |
| Darbe Direnci | 1 metre |
| Şarj Portu | USB-C |
| Malzeme | Durable PC Material |
Garanti ve Destek
Nitecore ürünleri garanti kapsamındadır. Detaylı garanti bilgileri için lütfen resmi Nitecore web sitesine bakın. website or contact your local distributor. If you encounter any issues or require technical assistance, please contact Nitecore customer support through their official channels.





