Indledning
The SOFIRN HS41 is a versatile and powerful headlamp designed for outdoor adventures and everyday carry (EDC). Featuring four LUMINUS SST-20 LEDs, it delivers a maximum output of 4000 lumens and a throw distance of up to 325 meters. This headlamp is equipped with a 5000mAh 21700 lithium-ion battery, USB-C charging and discharging capabilities, and a magnetic tailcap for hands-free use. Its robust AL6061-T6 aluminum alloy body and IP68 waterproof rating ensure durability in various conditions.

Pakkens indhold
Tjek venligst pakken for følgende varer:
- SOFIRN HS41 Hoveddelamp
- 5000mAh 21700 Lithium-ion Battery (pre-installed or separate, depending on variant)
- Justerbar hovedstrop
- USB Type-C opladerkabel
- Reserve O-ringe
- Brugermanual

Specifikationer
| Feature | Detalje |
|---|---|
| Udsender | 4*LUMINUS SST-20 LED |
| Batteriindstilling | 1x 21700 battery (5000mAh included) |
| Working Voltage | 2.7V-4.2V |
| Standby Drain | ≤130uA |
| Input/Output | USB Type-C (5V 3A max charging current) |
| Materiale | A6061-T6 aluminium alloy |
| Vandmodstand | IP68 waterproof (not for diving) |
| Slagmodstand | 1m / 3.28ft |
| Dimensioner | 30.1mm (head diameter) * 29mm (body diameter) * 115mm (length) |
| Vægt | 79g (uden batteri) |
| Spotlight Beam Angle | 25° |
| Floodlight Beam Angle | 96° |
| Lyskilde | LED |
| Skift tilstand | High/Middle/Low (Stepped/Smooth Ramping) |
| Formål | Outdoor lighting, EDC |
| Certificeringer | CCC, ce, CQC, EMC, FCC, GS, LVD, pse, ROHS, SAA, UL, VDE |


Opsætning
- Batteri installation:
Unscrew the tailcap of the headlamp. Insert the 21700 lithium-ion battery with the positive (+) end facing towards the head of the flashlight. Screw the tailcap back on securely.

Key components of the HS41 headlamp. - Opladning af batteriet:
The HS41 features a USB Type-C port for convenient charging. Connect the provided USB-C cable to the headlamp and a 5V/3A charger (not included). The indicator light will flash red during charging and turn green when fully charged. A full charge takes approximately 2 hours.

Charging the HS41 via USB-C. The green light indicates charging. - Attaching the Head Strap:
Skub hovedetamp into the rubber holder on the adjustable head strap. Ensure it is securely fitted. Adjust the strap for a comfortable and snug fit on your head.
Betjeningsvejledning
The SOFIRN HS41 offers multiple lighting modes and features for various uses.
Grundlæggende betjening:
- Tænd/sluk: Click the tail switch once to turn the HS41 on/off.
- Change Brightness (Stepped Ramping): While the flashlight is on, press and hold the tail switch to cycle through Eco, Low, Medium, High. Release the switch at your desired brightness level.
- Turbo tilstand: Double-click the tail switch to activate Turbo mode (4000 lumens).
- Strobetilstand: Triple-click the tail switch to activate Strobe mode (4000 lumens).
- Kontakt Ramping -tilstande: While the flashlight is on, fast four clicks to switch between Stepped ramping and Smooth ramping. Lyset blinker to gange for at signalere, at skiftet er gennemført.
Avancerede funktioner:
- Glat Ramping: In Smooth Ramping mode, hold and press the switch to continuously change brightness between 10-1500 lumens.
- Advarsel om lavt batteri: When the battery is low, the indicator will flash red, and the flashlight will vibrate twice with a 1-minute interval.
- Reverse Charging (Power Bank Function): The HS41 can act as a portable power bank to charge cell phones, rechargeable batteries, iPads, and watches via its USB-C port.
- Magnetisk bagkappe: The magnetic tailcap allows for hands-free operation by attaching the headlamp to metal surfaces.



Batteriniveauindikator
After turning on the HS41, the indicator will display the power status for 5 seconds:
- Grøn: Den resterende batteristrøm er god (70% - 100%).
- Rød: Den resterende batteristrøm er dårlig (30% - 69%).
- Blinker rødt: Critical power (less than 30%), please replace or recharge battery.


Opretholdelse
- Rensning: Rengør hovedetamp med en blød, damp klæde. Brug ikke slibende rengøringsmidler eller opløsningsmidler.
- O-ringe: Regularly check the O-rings for wear and tear. Replace them if damaged to maintain the IP68 waterproof rating. Lubricate O-rings with silicone grease periodically.
- Batteripleje: Recharge the battery promptly when the low battery alert is triggered. If storing the headlamp for an extended period, remove the battery and store it separately in a cool, dry place.
- Vandtæthed: While rated IP68, the headlamp is not designed for diving. Ensure the USB-C port cover is securely closed before exposure to water.
Fejlfinding
- Headlamp tænder ikke:
- Sørg for, at batteriet er korrekt installeret med den positive (+) ende vendt mod hovedet.
- Check if the battery is charged. If not, charge it using the USB-C port.
- Ensure the tailcap is screwed on tightly.
- Lysudgangen er svag eller flimrer:
- The battery might be low. Recharge the battery.
- Rengør batteriets kontakter og hovedetamp's interne kontakter.
- Vandindtrængning:
- Ensure the USB-C port cover is fully sealed.
- Kontroller O-ringene for skader eller forkert montering. Udskift om nødvendigt.
Brugertips
- Farvetemperatur: The HS41 is available in different color temperatures, such as 5000K and 6000-6500K. 5000K typically offers a neutral white light, often preferred for natural color rendition, while 6000-6500K provides a cooler, bluer white light, which can appear brighter to some users. Choose the color temperature that best suits your preference and intended use.
- Batteri inkluderet: The SOFIRN HS41 typically includes a 5000mAh 21700 battery. Always verify package contents upon receipt.
- Alsidig montering: Utilize the magnetic tailcap to attach the headlamp to metal surfaces for hands-free illumination in workshops, under car hoods, or during repairs.
- Power Bank funktion: In emergencies, the reverse charging feature can be a lifesaver for topping up small electronic devices.
Garanti og support
Sofirn products are designed for durability and performance. For any issues or inquiries regarding your HS41 Headlamp, please contact Sofirn customer support. Keep your purchase receipt as proof of purchase for any warranty claims.
This product is certified by CCC, CE, CQC, EMC, FCC, GS, LVD, PSE, ROHS, SAA, UL, and VDE, ensuring compliance with international quality and safety standards.





