1. Introduzzjoni
The Sofirn D25L is a versatile and powerful rechargeable headlamp designed for various outdoor activities and everyday use. Featuring dual LH351D LEDs, it delivers up to 1000 lumens of bright, neutral light with a high Color Rendering Index (CRI) of 90, ensuring true color perception and reducing eye fatigue during prolonged use. Its robust construction and user-friendly design make it an essential tool for camping, hiking, fishing, running, and more.

Figure 1: Sofirn D25L Headlamp with adjustable headband.
2. Karatteristiċi ewlenin
- Illuminazzjoni Super Bright: Dual Powerful LH351D LEDs provide a maximum output of 1000 lumens, capable of illuminating large areas.
- Komdu Viewing: Neutral beam with 90 high Color Rendering Index (CRI) ensures accurate color representation, suitable for extended use and reading without causing eye strain.
- Runtime Estiża: Offers over 6 hours of bright beam on medium 1 mode, ensuring reliable performance for prolonged activities.
- Iċċarġjar Konvenjenti: Easily rechargeable via a 5V charger adapter (not included), PC, or power bank. A full charge takes approximately 4 hours with a 5V 1A charger.
- Durabbli u versatili: Designed to withstand challenging conditions, having passed 12 types of tests. Ideal for camping, hiking, fishing, running, and other demanding environments.
- Aċċessorji inklużi: Comes with 1 headlamp, 1 battery, 1 headband, and 1 manual.
3. Gwida ta' Setup
3.1. Installazzjoni tal-Batterija u l-Iċċarġjar Inizjali
- Remove Insulation Paper: Before first use or recharging, unscrew the tail cap of the headlamp and remove the insulation paper from the battery.
- Daħħal il-batterija: Ensure the Sofirn 18650 Li-ion 3000mAh battery is inserted with the positive (+) end facing towards the head of the lamp.
- Għatu tad-denb sigur: Invita l-għatu tad-denb lura sewwa biex tiżgura kuntatt xieraq u reżistenza għall-ilma.
- Iċċarġjar: Il-kapamp features a built-in USB-C charging port. Unscrew the bezel on the side to reveal the port. Connect the provided USB-C cable to the headlamp and a 5V power source (e.g., wall adapter, PC, power bank). The indicator light will show charging status (e.g., red for charging, green for full).

Figure 2: Built-in USB-C charging port and battery compartment.
3.2. Aġġustament tal-Faxxa tar-Ras
The adjustable headband allows for a comfortable and secure fit. Adjust the straps to fit snugly around your head or over a cap. The headlamp unit can be tilted up to 180 degrees to direct light precisely where needed.

Figura 3: Rasamp with 180° angle adjustment and adjustable headband.
4. Istruzzjonijiet Operattivi
4.1. Basic Operation (White Light)
- Ixgħel/Itfi: Single click the power button to turn the headlamp mixgħul jew mitfi.
- Cycle Brightness Modes: When the light is on, press and hold the power button to cycle through brightness levels: Moonlight (1 lumen), Low, Medium, and High (up to 500 lumens). Release the button at your desired brightness.
- Modalità Turbo: Double-click the power button from any state to activate Turbo mode (1000 lumens). Double-click again to return to the previous mode.
4.2. Special Modes (Strobe, Beacon, Red Light)
- Strobe/Beacon: Triple-click the power button from any state to activate Strobe mode. Triple-click again to cycle to Beacon mode. Single click to turn off.
- Modalità Dawl Aħmar: From the OFF state, press and hold the power button for approximately 1 second to activate the red light. Press and hold again to cycle through red light brightness levels. Single click to turn off.
4.3. Lantern Mode
Il-kapamp unit can be easily detached from the headband to function as a standalone mini-lantern or flashlight. This allows for versatile placement on surfaces like picnic tables or inside tents, providing ambient light.
Video 1: Demonstration of Sofirn D25L's high color rendering index and various light modes in a dark environment.
5. Manutenzjoni
- Tindif: Imsaħ il-headlamp b'artab, damp drapp. Evita li tuża kimiċi ħarxa jew materjali li joborxu.
- Kura tal-batterija: For optimal performance and longevity, fully charge the battery before extended storage. If the headlamp will not be used for a long period, it is recommended to remove the battery.
- Reżistenza għall-Ilma: The D25L is waterproof. Ensure all caps and seals are tightly closed before exposing the headlamp to water to maintain its water resistance.
6 Issolvi l-problemi
- Id-dawl ma jixgħelx:
- Check if the battery insulation paper has been removed.
- Ensure the battery is inserted correctly with the positive (+) end facing the head.
- Verify the battery is charged. Connect to a charger and check the indicator light.
- Kun żgur li l-għatu tad-denb huwa mwaħħel sew.
- Dawl Baxx jew Ħin Qasir ta' Tħaddim:
- Il-batterija tista’ tkun baxxa. Erġa’ ċċarġja l-batterija kompletament.
- The battery may be old or damaged. Consider replacing the 18650 battery.
- Kwistjonijiet ta' Iċċarġjar:
- Kun żgur li l-kejbil USB-C huwa konness sew mar-rasamp u s-sors tal-enerġija.
- Ipprova kejbil USB-C jew adapter tal-enerġija differenti.
- Iċċekkja jekk il-port tal-iċċarġjar huwiex nadif u ħieles minn debris.
7. Speċifikazzjonijiet
| Karatteristika | Dettall |
|---|---|
| Brand | sofirn |
| Numru tal-Mudell | D25L |
| Tip ta' Sors tad-Dawl | LED (Dual LH351D) |
| Luminożità abjad | 1000 Lumens (Mass) |
| Indiċi tar-Rendiment tal-Kulur (CRI) | 90 High CRI |
| Sors tal-Enerġija | Battery Powered (18650 Li-ion 3000mAh included) |
| Port tal-Iċċarġjar | USB-C (5V) |
| Runtime | 6 hours (on medium 1 mode) |
| Materjal | Aluminju |
| Livell ta 'Reżistenza għall-Ilma | Waterproof |
| Piż tal-oġġett | 5.3 uqija |
| Dimensjonijiet tal-Pakkett | 4.13 x 3.15 x 1.73 pulzieri |
8. Garanzija u Appoġġ
The Sofirn D25L Headlamp jiġi b'a Garanzija limitata għal 1 snin mid-data tax-xiri. Din il-garanzija tkopri difetti fil-manifattura u kwistjonijiet li jirriżultaw minn użu normali.
For technical support, warranty claims, or any questions regarding your Sofirn D25L Headlamp, please contact Sofirn customer service through their official channels or the retailer where the product was purchased.





