1. Sarrera
This manual provides comprehensive instructions for the safe and effective operation, maintenance, and troubleshooting of your Sofirn HS41 4000 Lumen Rechargeable LED HeadlampMesedez, irakurri arretaz eskuliburu hau produktua erabili aurretik, errendimendu eta iraupen optimoa bermatzeko.

The Sofirn HS41 can be used as a headlamp with the included headband or as a versatile right-angle flashlight, featuring a magnetic base for hands-free operation.
2. Produktua amaitu daview
Ezaugarri nagusiak
- Irteera handia: Equipped with 4*SST20 LEDs, delivering up to 4000 lumens with a beam distance of 325 meters.
- USB-C kargatzea: Built-in Type-C port for convenient and fast charging.
- Exekuzio denbora hedatua: Up to 29.5 days of usage in Moonlight mode on a single charge.
- Argiztapen modu anitz: 9 modes including Moonlight, Eco, Low, Medium, High, Turbo, Strobe, SOS, and Beacon.
- Diseinu iraunkorra: IPX8 waterproof rating and impact resistance up to 1 meter.
- Erabilera polifazetikoa: 90-degree L-shape design allows use as a headlamp or right-angle flashlight with a powerful magnetic tailcap.
- Segurtasun Ezaugarriak: Advanced Temperature Regulation (ATR) and Low Voltage Babesa.

This image highlights the main features of the HS41, such as its multiple lighting modes, extended battery life, convenient USB-C charging, and robust IP68 waterproof design.
Kutxan dagoena
- Sofirn HS41 Headlamp
- 1x Rechargeable Lithium Polymer Battery
- 1x Sturdy Head Band
- 1x C motako kargatzeko kablea
- 1x Erabiltzailearen eskuliburua
3. Segurtasun-argibideak
- Do not shine the light directly into eyes. The high lumen output can cause temporary vision impairment.
- Mantendu haurren eskura.
- Use only the specified battery type. Incorrect battery usage can lead to damage or safety hazards.
- Ez desmuntatu headlamp, as this may void the warranty and cause damage.
- Saihestu headl agerianamp muturreko tenperatura edo eguzki-argia zuzeneko denbora luzez.
- Kargatzen ez duzunean, ziurtatu USB-C atakaren estalkia ondo itxita dagoela urarekiko erresistentzia mantentzeko.
4. Konfigurazioa
Bateriaren instalazioa
- Unscrew the tail cap of the headlamp.
- Insert the included 18650 Lithium Polymer battery with the positive (+) end facing towards the head of the light.
- Itxi isats-tapoia ondo torlojutu kontaktu egokia eta urarekiko erresistentzia bermatzeko.
Kargatzen
The HS41 features a built-in USB-C charging port.
- Locate the USB-C charging port on the side of the headlamp and open its protective cover.
- Connect the provided Type-C charging cable to the headlamp and to a USB power source (e.g., wall adapter, power bank, computer).
- Buruko argi adierazleaamp will show the charging status:
- Gorria: Kargatzen ari da.
- Berdea: Guztiz kargatuta.
- Charging typically takes approximately 2.5 hours for a full charge.
- Once charging is complete, disconnect the cable and securely close the USB-C port cover to maintain water resistance.

Buruaamp features a built-in USB-C port for convenient and fast charging. The indicator light changes color to show charging status.
5. Funtzionamendu-argibideak
The HS41 is operated via a single side switch.
Oinarrizko Funtzionamendua
- Piztu/Desaktibatu: Single click the switch to turn the light on or off.
- Change Brightness (Ramping): When the light is on, press and hold the switch to cycle through brightness levels (Moonlight, Eco, Low, Medium, High, Turbo). Release the switch at your desired brightness.
- Memoria modua: Buruaamp will remember the last used brightness level (except for special modes like Strobe, SOS, Beacon).
Sarbide azkarreko moduak
- Ilargia: From OFF, press and hold the switch for 1 second to activate Moonlight mode.
- Modu altua: From OFF, double-click the switch to directly activate High mode.
- Strobe modua: From OFF, triple-click the switch to activate Strobe mode.

Buruaamp's single button allows for quick access to frequently used modes: press and hold for Moonlight, double-click for High, and triple-click for Strobe.
Special Modes (Strobe, SOS, Beacon)
- From ON, triple-click the switch to enter Strobe mode.
- While in Strobe mode, double-click to cycle through SOS and Beacon modes.
- Single click to turn off or return to the previous brightness level.

The HS41 delivers a powerful 4000 lumens, providing extensive illumination for outdoor activities. The image shows the light beam and icons representing modes like Moonlight, Eco, Low, Medium, High, Turbo, Strobe, Beacon, and SOS.
Blokeo funtzioa
To prevent accidental activation, the HS41 features a lockout mode.
- Blokeoa aktibatzea: From OFF, perform four quick clicks of the switch. The LED will blink twice to confirm lockout mode is active.
- Desaktibatu blokeoa: Perform four quick clicks of the switch. The light will turn on to the last used mode.

Buruaamp features a lockout mode to prevent accidental activation. It is engaged by four quick clicks when the light is off, indicated by two blinks.
Potentzia adierazlea
The power indicator displays the battery level for 5 seconds every time the light is turned on.
- Berdea: Remaining battery power is good (70% - 100%).
- Gorria: Remaining battery power is poor (30% - 69%).
- Gorri keinukaria: Critical power (less than 30%). Recharge the battery as soon as possible.

The integrated power indicator provides real-time battery status: green (70-100%), red (30-69%), and flashing red (below 30%), prompting timely recharging.
Vol. Baxuatage Abisua
Bateria boltage drops below 3V, the indicator will flash red, and the headlamp will vibrate twice with a 1-minute interval between each vibration. This signals that the battery needs to be recharged immediately.

Bateria boltage 3V azpitik jaisten da, headlamp's indicator will flash red, and the device will vibrate twice with a one-minute interval, signaling a low voltage baldintza.
6. Mantentzea
Garbiketa
- Garbitu buruaamp bigun batekin, damp oihala zikinkeria eta hondakinak kentzeko.
- Ez erabili garbitzaile edo disolbatzaile urratzailerik, akabera edo barneko osagaiak kaltetu ditzaketelako.
- Clean the threads of the tail cap and O-rings periodically. Apply a thin layer of silicone grease to the O-rings to maintain water resistance.
Bateria zaintzea
- Recharge the battery regularly, especially if the headlamp ez da denbora luzez erabiliko.
- Gorde bateria leku fresko eta lehor batean.
- If storing for a long time, remove the battery from the headlamp to prevent parasitic drain.
Biltegiratzea
- Gorde buruaamp in a dry environment, away from direct sunlight and extreme temperatures.
- Ziurtatu buruaamp is in lockout mode or the battery is removed during storage to prevent accidental activation.
7. Arazoak
| Arazoa | Kausa posiblea | Irtenbidea |
|---|---|---|
| Argia ez da pizten | Bateria agortuta Battery incorrectly inserted Tail cap loose Buruaamp in lockout mode | Kargatu bateria Egiaztatu bateriaren polaritatea Estutu buztanaren txanoa Deactivate lockout mode (4 clicks) |
| Argiak dir-dir egiten du edo iluna da | Bateria baxua Poor contact between battery and terminals Dirty threads/contacts | Kargatu bateria Ensure battery is fully inserted Clean threads and contacts with a cotton swab |
| Kargatzea ez dabil | Charging cable faulty USB power source insufficient Kargatzeko ataka zikina | Saiatu beste USB-C kable batekin Use a reliable USB power adapter Clean the USB-C port gently |
| Buruaamp gets hot quickly | Turbo/High moduan denbora luzez funtzionatzea ATR (Advanced Temperature Regulation) is active | This is normal. The ATR system will automatically reduce brightness to prevent overheating. Reduce brightness manually if desired. |
8. Zehaztapenak
| Ezaugarri | Zehaztapena |
|---|---|
| Eredua | HS41 |
| Argi iturria | 4*SST20 LEDs |
| Distira maximoa | 4000 lumen |
| Beam Distantzia | 325 metro |
| Energia iturria | 1x Rechargeable Lithium Polymer Battery (included) |
| Kargatzeko ataka | USB C motakoa |
| Materiala | Aluminiozko aleazioa |
| Uraren Erresistentzia | IPX8 (submersible up to 2 meters for 30 minutes) |
| Eragin Erresistentzia | 1 metro |
| Neurriak | 1"S x 1"Z x 1"A (gutxi gorabehera 30.1 mm x 29 mm x 115 mm) |
| Pisua | 0.71 Pounds (approx. 11.4 ounces / 79g without battery) |
| Ezaugarri bereziak | Adjustable Light Modes, Adjustable Strap, Magnetic Base, Low Voltage Warning, Advanced Temperature Regulation |
9. Bermea eta Laguntza
For warranty information or technical support, please contact the seller, 77 Outdoor Shop, or the manufacturer, Sofirn, directly through their official channels. Please retain your proof of purchase for any warranty claims.





