1. Inleiding
Thank you for choosing Sofirn headlamps. This manual provides detailed instructions for the D25S and D25L models, designed for various outdoor activities and daily use. The D25S offers a powerful 1200 lumen output with USB-C recharging, while the D25L provides a comfortable 1000 lumen neutral beam with high Color Rendering Index (CRI) for accurate color perception and reduced eye fatigue.

Figure 1: Sofirn D25S and D25L Headlamps (bundle)
This image displays the Sofirn D25S and D25L headlamps, wysasing their compact design and dual-light configuration. The adjustable headband is also visible.

Figure 2: Lightweight Design and Floody Beam
This image shows the headlamp worn on a cap, illustrating its lightweight nature and the wide, even "floody" beam it produces, ideal for close-up tasks and general illumination.
2. Opstelling
2.1 Battery Installation (Pre-installed)
Both Sofirn D25S and D25L headlamps come with pre-installed Lithium Ion batteries. Ensure the battery is properly seated before first use.
2.2 Charging (D25S Model)
The D25S model features a convenient built-in USB-C charging port. To charge, locate the hidden USB-C port and connect it to a compatible USB power source using the provided cable. The protective cap shields the USB-C port from damage and water when not in use.

Figure 3: USB-C Charging Port on D25S
This image highlights the built-in USB-C charging port on the Sofirn D25S headlamp, showing its location and the protective cap. Indicator lights for charging status (red for charging, green for full) are also depicted.
3. Bedryfsinstruksies
3.1 Power On/Off and Mode Selection (D25S)
The D25S headlamp operates with a single button for simplicity. It features 5 different modes: Low, Medium 1, Medium 2, High, and Turbo. The headlamp also includes a memory mode, which means it will return to the last known setting when turned back on.
- Om aan/af te skakel: Druk een keer die kragknoppie.
- Om Modusse te Siklus: While the light is on, press and hold the power button to cycle through Low, Medium 1, Medium 2, High, and Turbo modes. Release the button at your desired brightness level.
- Strobemodus: From any state (on or off), double-click the power button to activate Strobe mode. Double-click again to return to the previous mode.

Figure 4: D25S Control Button
This image shows a close-up of the green control button on the Sofirn D25S headlamp, emphasizing its comfortable feel and simple user interface. The memory mode feature is also highlighted.
3.2 D25L Beam Characteristics
The Sofirn D25L headlamp is equipped with dual powerful LH351D LEDs, providing a maximum output of 1000 lumens. Unlike some other bright headlamps, the D25L delivers a neutral beam with a high Color Rendering Index (CRI) of 90. This high CRI enables true color representation of objects, making it comfortable for prolonged use, including reading, and helps to avoid eye fatigue.

Figure 5: D25L Beam Pattern in Darkness
This image demonstrates the wide and even beam pattern of the Sofirn D25L headlamp in a dark outdoor setting, illuminating a path and surrounding trees.
3.3 Hoofdlamp Aanpassing
Beide hooflamps feature an adjustable headband for a secure and comfortable fit. The light unit itself can be adjusted up to 180 degrees vertically, allowing you to direct the beam precisely where needed without repositioning the entire headlamp.

Figure 6: Adjustable Features
This image illustrates the 180-degree angle adjustment capability of the headlamp unit and the adjustable nature of the elastic headband, ensuring a comfortable and customizable fit for the user.
4. Onderhoud
- Skoonmaak: Vee die kop afamp liggaam met 'n sagte, damp lap. Moenie skuur skoonmaakmiddels of oplosmiddels gebruik nie.
- Batterysorg: For optimal battery life, charge the headlamp regularly. If storing for extended periods, charge the battery to approximately 50% and recharge every 3-6 months.
- Berging: Bêre die kopamp in 'n koel, droë plek weg van direkte sonlig en uiterste temperature.
5. Probleemoplossing
- Lig gaan nie aan nie:
- Maak seker dat die battery volledig gelaai is.
- Kyk of die battery korrek ingesit is.
- Verify the power button is functioning.
- Dowwe liguitset:
- The battery may be low; recharge the headlamp.
- Maak seker dat die lens skoon en vry van obstruksies is.
6. Spesifikasies
| Kenmerk | Sofirn D25S | Sofirn D25L |
|---|---|---|
| Ligbrontipe | SST40 LED | LH351D LED |
| Maksimum helderheid | 1200 Lumen | 1000 Lumen |
| Kleurweergawe-indeks (CRI) | NVT | 90 |
| Kragbron | Batteryaangedrewe (litiumioon) | Batteryaangedrewe (litiumioon) |
| Herlaaibaar | USB-C | N/A (Check product for D25L charging method if not USB-C) |
| Waterweerstandvlak | Nie waterbestand nie | Nie waterbestand nie |
Note: Specifications are subject to change without notice. Please refer to the product packaging for the most accurate and up-to-date information.
7. Veiligheidsinligting
- Moenie direk in die ligstraal kyk om oogbeserings te voorkom nie.
- Hou buite bereik van kinders.
- Moenie die kop uitmekaar haal nieamp, as this may void the warranty and cause damage.
- Vermy om die kop bloot te stelamp tot uiterste temperature of direkte sonlig vir lang tydperke.
- Hierdie produk is nie waterbestand nie. Vermy blootstelling aan water of hoë humiditeit.
8. Waarborg en Ondersteuning
For warranty information, technical support, or any inquiries regarding your Sofirn headlamps, please refer to the warranty card included with your product or visit the official Sofirn website. Contact details for customer service are typically provided on the product packaging or the manufacturer's webwebwerf.