Introduzione
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.

Contenuto della confezione
Si prega di controllare la confezione per verificare la presenza dei seguenti elementi:
- Testa SOFIRN HS41amp
- 5000mAh 21700 Lithium-ion Battery (pre-installed or separate, depending on variant)
- Cinghia per la testa regolabile
- Cavo di ricarica USB di tipo C.
- O-ring di ricambio
- Manuale d'uso

Specifiche
| Caratteristica | Dettaglio |
|---|---|
| Emettitore | 4*LUMINUS SST-20 LED |
| Opzione batteria | 1x 21700 battery (5000mAh included) |
| Volume di lavorotage | 2.7V-4.2V |
| Standby Drain | ≤130uA |
| Ingresso/uscita | USB Type-C (5V 3A max charging current) |
| Materiale | A6061-T6 aluminium alloy |
| Resistenza all'acqua | IP68 waterproof (not for diving) |
| Resistenza all'impatto | 1m / 3.28 piedi |
| Dimensioni | 30.1mm (head diameter) * 29mm (body diameter) * 115mm (length) |
| Peso | 79 g (senza batteria) |
| Spotlight Beam Angle | 25° |
| Floodlight Beam Angle | 96° |
| Sorgente luminosa | GUIDATO |
| Cambia modalità | High/Middle/Low (Stepped/Smooth Ramp(ing) |
| Scopo | Outdoor lighting, EDC |
| Certificazioni | CCC, ce, CQC, EMC, FCC, GS, LVD, pse, ROHS, SAA, UL, VDE |


Impostare
- Installazione della batteria:
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. - Carica della batteria:
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:
Fai scorrere la testaamp 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.
Istruzioni per l'uso
The SOFIRN HS41 offers multiple lighting modes and features for various uses.
Funzionamento di base:
- Accendi / spegni: Click the tail switch once to turn the HS41 on/off.
- Change Brightness (Stepped Rampns): 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.
- Modalità Turbo: Double-click the tail switch to activate Turbo mode (4000 lumens).
- Modalità strobo: Triple-click the tail switch to activate Strobe mode (4000 lumens).
- Cambia Ramping Modalità: While the flashlight is on, fast four clicks to switch between Stepped ramping and Smooth ramping. La luce lampeggia due volte per segnalare che il passaggio è completato.
Funzionalità avanzate:
- Liscio Rampin: In Smooth Ramping mode, hold and press the switch to continuously change brightness between 10-1500 lumens.
- Avviso batteria scarica: When the battery is low, the indicator will flash red, and the flashlight will vibrate twice with a 1-minute interval.
- Ricarica inversa (funzione Power Bank): The HS41 can act as a portable power bank to charge cell phones, rechargeable batteries, iPads, and watches via its USB-C port.
- Terminale magnetico: The magnetic tailcap allows for hands-free operation by attaching the headlamp to metal surfaces.



Indicatore del livello della batteria
After turning on the HS41, the indicator will display the power status for 5 seconds:
- Verde: Remaining battery power is good (70% - 100%).
- Rosso: Remaining battery power is poor (30% - 69%).
- Rosso lampeggiante: Critical power (less than 30%), please replace or recharge battery.


Manutenzione
- Pulizia: Pulisci la testinaamp con un morbido, damp panno. Non usare detergenti abrasivi o solventi.
- O-ring: 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.
- Cura della batteria: 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.
- Resistenza all'acqua: While rated IP68, the headlamp is not designed for diving. Ensure the USB-C port cover is securely closed before exposure to water.
Risoluzione dei problemi
- headlamp non si accende:
- Assicurarsi che la batteria sia installata correttamente con il polo positivo (+) rivolto verso la testa.
- Check if the battery is charged. If not, charge it using the USB-C port.
- Ensure the tailcap is screwed on tightly.
- L'emissione luminosa è debole o tremolante:
- La batteria potrebbe essere scarica. Ricaricarla.
- Pulisci i contatti della batteria e la testaamp's internal contacts.
- Ingresso d'acqua:
- Ensure the USB-C port cover is fully sealed.
- Check the O-rings for damage or improper seating. Replace if necessary.
Suggerimenti per l'utente
- Temperatura del colore: 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.
- Inclusione della batteria: The SOFIRN HS41 typically includes a 5000mAh 21700 battery. Always verify package contents upon receipt.
- Montaggio versatile: Utilize the magnetic tailcap to attach the headlamp to metal surfaces for hands-free illumination in workshops, under car hoods, or during repairs.
- Funzione banca di potere: In emergencies, the reverse charging feature can be a lifesaver for topping up small electronic devices.
Garanzia e supporto
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.





