1. Introdución
This manual provides comprehensive instructions for the safe and effective operation, maintenance, and troubleshooting of your Sofirn HS41 4000 Lumen Rechargeable LED HeadlampLea este manual detidamente antes de usar o produto para garantir un rendemento e unha lonxevidade óptimos.

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. Produto rematadoview
Características clave
- Alta saída: Equipped with 4*SST20 LEDs, delivering up to 4000 lumens with a beam distance of 325 meters.
- Carga USB-C: Built-in Type-C port for convenient and fast charging.
- Tempo de execución estendido: Up to 29.5 days of usage in Moonlight mode on a single charge.
- Múltiples modos de iluminación: 9 modes including Moonlight, Eco, Low, Medium, High, Turbo, Strobe, SOS, and Beacon.
- Deseño duradeiro: IPX8 waterproof rating and impact resistance up to 1 meter.
- Uso versátil: 90-degree L-shape design allows use as a headlamp or right-angle flashlight with a powerful magnetic tailcap.
- Características de seguridade: Advanced Temperature Regulation (ATR) and Low Voltage Protección.

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.
O que hai na caixa
- Sofirn HS41 Headlamp
- 1x Rechargeable Lithium Polymer Battery
- 1x Sturdy Head Band
- 1 cable de carga tipo C
- 1 x Manual de usuario
3. Instrucións de seguridade
- Do not shine the light directly into eyes. The high lumen output can cause temporary vision impairment.
- Manter fóra do alcance dos nenos.
- Use only the specified battery type. Incorrect battery usage can lead to damage or safety hazards.
- Non desmonte o cabezalamp, as this may void the warranty and cause damage.
- Evite expor a cabezaamp temperaturas extremas ou luz solar directa durante períodos prolongados.
- Asegúrate de que a tapa do porto USB-C estea ben pechada cando non estea cargando para manter a resistencia á auga.
4. Configuración
Instalación de baterías
- Desenrosque a tapa traseira da cabezaamp.
- Insert the included 18650 Lithium Polymer battery with the positive (+) end facing towards the head of the light.
- Aperta a tapa traseira firmemente para garantir un contacto axeitado e resistencia á auga.
Cargando
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).
- O indicador luminoso no cabezalamp will show the charging status:
- Vermello: Carga en curso.
- Verde: Totalmente cargado.
- A carga completa adoita tardar aproximadamente 2.5 horas.
- Once charging is complete, disconnect the cable and securely close the USB-C port cover to maintain water resistance.

O xefeamp features a built-in USB-C port for convenient and fast charging. The indicator light changes color to show charging status.
5. Instrucións de funcionamento
The HS41 is operated via a single side switch.
Operación básica
- Activar/Desactivar: 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.
- Modo de memoria: O xefeamp will remember the last used brightness level (except for special modes like Strobe, SOS, Beacon).
Modos de acceso rápido
- Luar: From OFF, press and hold the switch for 1 second to activate Moonlight mode.
- Modo alto: From OFF, double-click the switch to directly activate High mode.
- Modo estroboscópico: From OFF, triple-click the switch to activate Strobe mode.

O xefeamp'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.
Función de bloqueo
To prevent accidental activation, the HS41 features a lockout mode.
- Activar o bloqueo: From OFF, perform four quick clicks of the switch. The LED will blink twice to confirm lockout mode is active.
- Desactivar o bloqueo: Perform four quick clicks of the switch. The light will turn on to the last used mode.

O xefeamp features a lockout mode to prevent accidental activation. It is engaged by four quick clicks when the light is off, indicated by two blinks.
Indicador de potencia
The power indicator displays the battery level for 5 seconds every time the light is turned on.
- Verde: Remaining battery power is good (70% - 100%).
- Vermello: Remaining battery power is poor (30% - 69%).
- Vermello intermitente: 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.
Baixo Voltage Aviso
Cando a batería 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.

Cando a batería voltage cae por debaixo dos 3 V, o headlamp's indicator will flash red, and the device will vibrate twice with a one-minute interval, signaling a low voltage condición.
6. Mantemento
Limpeza
- Limpe a cabezaamp cun suave, damp pano para eliminar a sucidade e os restos.
- Non empregue produtos de limpeza abrasivos nin solventes, xa que poden danar o acabado ou os compoñentes internos.
- 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.
Coidado da batería
- Recharge the battery regularly, especially if the headlamp non se utilizará durante un período prolongado.
- Almacene a batería nun lugar fresco e seco.
- If storing for a long time, remove the battery from the headlamp to prevent parasitic drain.
Almacenamento
- Garda o cabezalamp in a dry environment, away from direct sunlight and extreme temperatures.
- Asegúrese da cabeceiraamp is in lockout mode or the battery is removed during storage to prevent accidental activation.
7 Solución de problemas
| Problema | Causa posible | Solución |
|---|---|---|
| A luz non se acende | Batería esgotada Battery incorrectly inserted Tail cap loose Xefeamp in lockout mode | Recarga batería Comprobe a polaridade da batería Apretar a tapa da cola Deactivate lockout mode (4 clicks) |
| A luz parpadea ou é tenue | Batería baixa Poor contact between battery and terminals Dirty threads/contacts | Recarga batería Ensure battery is fully inserted Clean threads and contacts with a cotton swab |
| A carga non funciona | Charging cable faulty USB power source insufficient Charging port dirty | Proba cun cable USB-C diferente Use a reliable USB power adapter Clean the USB-C port gently |
| Xefeamp 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. Especificacións
| Característica | Especificación |
|---|---|
| Modelo | HS41 |
| Fonte de luz | 4*SST20 LEDs |
| Brillo máximo | 4000 lúmenes |
| Distancia do feixe | 325 metros |
| Fonte de enerxía | 1x Rechargeable Lithium Polymer Battery (included) |
| Porto de carga | USB tipo C |
| Material | Aliaxe de aluminio |
| Resistencia á auga | IPX8 (submersible up to 2 meters for 30 minutes) |
| Resistencia ao impacto | 1 metro |
| Dimensións | 1"D x 1"W x 1"H (approx. 30.1mm x 29mm x 115mm) |
| Peso | 0.71 Pounds (approx. 11.4 ounces / 79g without battery) |
| Características especiais | Adjustable Light Modes, Adjustable Strap, Magnetic Base, Low Voltage Warning, Advanced Temperature Regulation |
9. Garantía e soporte
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.





