1. Introduksjon
This manual provides comprehensive instructions for the safe and effective operation, maintenance, and troubleshooting of your Sofirn HS41 4000 Lumen Rechargeable LED Headlamp. Please read this manual thoroughly before using the product to ensure optimal performance and longevity.

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. Produktet er overview
Nøkkelfunksjoner
- Høy utgang: Equipped with 4*SST20 LEDs, delivering up to 4000 lumens with a beam distance of 325 meters.
- USB-C-lading: Built-in Type-C port for convenient and fast charging.
- Utvidet kjøretid: Up to 29.5 days of usage in Moonlight mode on a single charge.
- Flere lysmoduser: 9 modes including Moonlight, Eco, Low, Medium, High, Turbo, Strobe, SOS, and Beacon.
- Slitesterk design: IPX8 waterproof rating and impact resistance up to 1 meter.
- Allsidig bruk: 90-degree L-shape design allows use as a headlamp or right-angle flashlight with a powerful magnetic tailcap.
- Sikkerhetsfunksjoner: Advanced Temperature Regulation (ATR) and Low Voltage Beskyttelse.

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.
Hva er i esken
- Sofirn HS41 Headlamp
- 1x Rechargeable Lithium Polymer Battery
- 1x Sturdy Head Band
- 1x Type-C ladekabel
- 1x brukerveiledning
3. Sikkerhetsinstruksjoner
- Do not shine the light directly into eyes. The high lumen output can cause temporary vision impairment.
- Oppbevares utilgjengelig for barn.
- Use only the specified battery type. Incorrect battery usage can lead to damage or safety hazards.
- Ikke demonter hodetamp, as this may void the warranty and cause damage.
- Unngå å blottlegge hodetamp til ekstreme temperaturer eller direkte sollys i lengre perioder.
- Ensure the USB-C port cover is securely closed when not charging to maintain water resistance.
4. Oppsett
Installasjon av batteri
- Skru av bakdekselet på hodetamp.
- Insert the included 18650 Lithium Polymer battery with the positive (+) end facing towards the head of the light.
- Skru halehetten godt på igjen for å sikre god kontakt og vannmotstand.
Lader
The HS41 features a built-in USB-C charging port.
- Finn USB-C-ladeporten på siden av hodetelefonen.amp 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).
- Indikatorlampen på hodetlamp will show the charging status:
- Rød: Lading pågår.
- Grønn: Fulladet.
- Lading tar vanligvis omtrent 2.5 timer for en full lading.
- Once charging is complete, disconnect the cable and securely close the USB-C port cover to maintain water resistance.

Hodetamp features a built-in USB-C port for convenient and fast charging. The indicator light changes color to show charging status.
5. Bruksanvisning
The HS41 is operated via a single side switch.
Grunnleggende operasjon
- Slå på/av: 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.
- Modusminne: Hodetamp will remember the last used brightness level (except for special modes like Strobe, SOS, Beacon).
Hurtigtilgangsmodi
- Måneskinn: From OFF, press and hold the switch for 1 second to activate Moonlight mode.
- Høy modus: From OFF, double-click the switch to directly activate High mode.
- Strobemodus: From OFF, triple-click the switch to activate Strobe mode.

Hodetamp'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.
Sperrefunksjon
To prevent accidental activation, the HS41 features a lockout mode.
- Aktiver utlåsing: From OFF, perform four quick clicks of the switch. The LED will blink twice to confirm lockout mode is active.
- Deaktiver utlåsing: Perform four quick clicks of the switch. The light will turn on to the last used mode.

Hodetamp features a lockout mode to prevent accidental activation. It is engaged by four quick clicks when the light is off, indicated by two blinks.
Strømindikator
The power indicator displays the battery level for 5 seconds every time the light is turned on.
- Grønn: Remaining battery power is good (70% - 100%).
- Rød: Remaining battery power is poor (30% - 69%).
- Blinker rødt: 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.
Lav Voltage Advarsel
Når batteriet voltage 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.

Når batteriet voltage faller under 3V, headlamp's indicator will flash red, and the device will vibrate twice with a one-minute interval, signaling a low voltage tilstand.
6. Vedlikehold
Rengjøring
- Tørk av hodetamp med en myk, damp klut for å fjerne skitt og rusk.
- Ikke bruk slipende rengjøringsmidler eller løsemidler, da disse kan skade overflaten eller de indre komponentene.
- 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.
Batteripleie
- Recharge the battery regularly, especially if the headlamp vil ikke bli brukt over en lengre periode.
- Oppbevar batteriet på et kjølig, tørt sted.
- If storing for a long time, remove the battery from the headlamp to prevent parasitic drain.
Lagring
- Oppbevar headlamp in a dry environment, away from direct sunlight and extreme temperatures.
- Sørg for hodetamp is in lockout mode or the battery is removed during storage to prevent accidental activation.
7. Feilsøking
| Problem | Mulig årsak | Løsning |
|---|---|---|
| Lyset slår seg ikke på | Batteriet er tomt Batteriet er satt inn feil Tail cap loose Headlamp in lockout mode | Lad opp batteriet Sjekk batteripolariteten Stram halelokket Deactivate lockout mode (4 clicks) |
| Lyset flimrer eller er svakt | Lavt batteri Poor contact between battery and terminals Dirty threads/contacts | Lad opp batteriet Ensure battery is fully inserted Clean threads and contacts with a cotton swab |
| Lading fungerer ikke | Ladekabel defekt USB power source insufficient Ladeporten er skitten | Prøv en annen USB-C-kabel Use a reliable USB power adapter Clean the USB-C port gently |
| Headlamp gets hot quickly | Operating in Turbo/High mode for extended periods 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. Spesifikasjoner
| Trekk | Spesifikasjon |
|---|---|
| Modell | HS41 |
| Lyskilde | 4*SST20 LEDs |
| Maksimal lysstyrke | 4000 lumen |
| Stråleavstand | 325 meter |
| Strømkilde | 1x Rechargeable Lithium Polymer Battery (included) |
| Ladeport | USB Type-C |
| Materiale | Aluminiumslegering |
| Vannmotstand | IPX8 (submersible up to 2 meters for 30 minutes) |
| Slagmotstand | 1 meter |
| Dimensjoner | 1 cm D x 1 cm B x 1 cm H (ca. 30.1 mm x 29 mm x 115 mm) |
| Vekt | 0.71 Pounds (approx. 11.4 ounces / 79g without battery) |
| Spesielle funksjoner | Adjustable Light Modes, Adjustable Strap, Magnetic Base, Low Voltage Warning, Advanced Temperature Regulation |
9. Garanti og støtte
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.