Einführung
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.

Packungsinhalt
Bitte prüfen Sie das Paket auf folgende Artikel:
- SOFIRN HS41 Headlamp
- 5000mAh 21700 Lithium-ion Battery (pre-installed or separate, depending on variant)
- Verstellbares Kopfband
- USB-Kabel Typ C.
- Ersatz-O-Ringe
- Bedienungsanleitung

Technische Daten
| Besonderheit | Detail |
|---|---|
| Emitter | 4*LUMINUS SST-20 LED |
| Batterieoption | 1x 21700 battery (5000mAh included) |
| Arbeitsvolumentage | 2.7 V bis 4.2 V |
| Standby Drain | ≤130 uA |
| Eingabe/Ausgabe | USB Type-C (5V 3A max charging current) |
| Material | A6061-T6 aluminium alloy |
| Wasserbeständigkeit | IP68 waterproof (not for diving) |
| Schlagfestigkeit | 1 m / 3.28 Fuß |
| Maße | 30.1mm (head diameter) * 29mm (body diameter) * 115mm (length) |
| Gewicht | 79g (ohne Batterie) |
| Spotlight Beam Angle | 25° |
| Floodlight Beam Angle | 96° |
| Lichtquelle | LED |
| Switch-Modus | High/Middle/Low (Stepped/Smooth Ramping) |
| Zweck | Outdoor lighting, EDC |
| Zertifizierungen | CCC, ce, CQC, EMC, FCC, GS, LVD, pse, ROHS, SAA, UL, VDE |


Aufstellen
- Einlegen der Batterie:
Schrauben Sie die Endkappe des Verstärkerkopfes ab.amp. 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. - Laden des Akkus:
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:
Schieben Sie den Kopfamp 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.
Bedienungsanleitung
The SOFIRN HS41 offers multiple lighting modes and features for various uses.
Grundlegende Bedienung:
- An / Ausschalten: 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 Modus: Double-click the tail switch to activate Turbo mode (4000 lumens).
- Stroboskop-Modus: Triple-click the tail switch to activate Strobe mode (4000 lumens).
- Schalter Ramping-Modi: While the flashlight is on, fast four clicks to switch between Stepped ramping and Smooth ramping. Das Licht blinkt zweimal, um zu signalisieren, dass der Wechsel abgeschlossen ist.
Erweiterte Funktionen:
- Glattes Ramping: In Smooth Ramping mode, hold and press the switch to continuously change brightness between 10-1500 lumens.
- Warnung bei niedrigem Batteriestand: When the battery is low, the indicator will flash red, and the flashlight will vibrate twice with a 1-minute interval.
- Umgekehrtes Laden (Powerbank-Funktion): The HS41 can act as a portable power bank to charge cell phones, rechargeable batteries, iPads, and watches via its USB-C port.
- Magnetische Endkappe: The magnetic tailcap allows for hands-free operation by attaching the headlamp to metal surfaces.



Batteriestandsanzeige
After turning on the HS41, the indicator will display the power status for 5 seconds:
- Grün: Die verbleibende Akkuleistung ist gut (70 % - 100 %).
- Rot: Der verbleibende Akkustand ist gering (30% - 69%).
- Rot blinkend: Critical power (less than 30%), please replace or recharge battery.


Wartung
- Reinigung: Reinigen Sie den Kopfamp mit einem weichen, damp Tuch. Keine Scheuer- oder Lösungsmittel verwenden.
- 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.
- Batteriepflege: Recharge the battery promptly when the low battery alert is triggered. If storing the headlamp Bei längerer Lagerung sollte die Batterie entfernt und separat an einem kühlen, trockenen Ort aufbewahrt werden.
- Wasserbeständigkeit: While rated IP68, the headlamp is not designed for diving. Ensure the USB-C port cover is securely closed before exposure to water.
Fehlerbehebung
- Kopflamp nicht einschalten:
- Stellen Sie sicher, dass die Batterie korrekt eingesetzt ist, wobei der Pluspol (+) zum Kopf zeigen muss.
- Check if the battery is charged. If not, charge it using the USB-C port.
- Stellen Sie sicher, dass die Endkappe fest aufgeschraubt ist.
- Die Lichtausbeute ist schwach oder flackert:
- The battery might be low. Recharge the battery.
- Reinigen Sie die Batteriekontakte und den Scheinwerfer.amp's internal contacts.
- Wassereintritt:
- Stellen Sie sicher, dass die Abdeckung des USB-C-Anschlusses vollständig abgedichtet ist.
- Prüfen Sie die O-Ringe auf Beschädigungen oder fehlerhaften Sitz. Ersetzen Sie sie gegebenenfalls.
Benutzertipps
- Farbtemperatur: 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.
- Batterieeinschluss: The SOFIRN HS41 typically includes a 5000mAh 21700 battery. Always verify package contents upon receipt.
- Vielseitige Montage: Utilize the magnetic tailcap to attach the headlamp to metal surfaces for hands-free illumination in workshops, under car hoods, or during repairs.
- Powerbank-Funktion: In emergencies, the reverse charging feature can be a lifesaver for topping up small electronic devices.
Garantie und 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.





