1. Nhanganyaya
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. Chigadzirwa Pamusoroview
Key Features
- High Output: Equipped with 4*SST20 LEDs, delivering up to 4000 lumens with a beam distance of 325 meters.
- Kuchaja USB-C: Built-in Type-C port for convenient and fast charging.
- Yakawedzerwa Runtime: Up to 29.5 days of usage in Moonlight mode on a single charge.
- Multiple Lighting Modes: 9 modes including Moonlight, Eco, Low, Medium, High, Turbo, Strobe, SOS, and Beacon.
- Durable Design: IPX8 waterproof rating and impact resistance up to 1 meter.
- Kushandiswa Kwakasiyana-siyana: 90-degree L-shape design allows use as a headlamp or right-angle flashlight with a powerful magnetic tailcap.
- Safety Features: Advanced Temperature Regulation (ATR) and Low Voltage Dziviriro.

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.
Chii chiri muBhokisi
- Sofirn HS41 Headlamp
- 1x Rechargeable Lithium Polymer Battery
- 1x Sturdy Head Band
- 1x Type-C yekuchaja Cable
- 1x Chinyorwa cheMushandisi
3. Mirayiridzo Yekuchengetedza
- Do not shine the light directly into eyes. The high lumen output can cause temporary vision impairment.
- Chengetedza pasingasvikirwi nevana.
- Use only the specified battery type. Incorrect battery usage can lead to damage or safety hazards.
- Usabvisa musoroamp, as this may void the warranty and cause damage.
- Dzivisa kufumura musoroamp kune tembiricha yakanyanyisa kana zuva rakananga kwenguva refu.
- Ensure the USB-C port cover is securely closed when not charging to maintain water resistance.
4. Setup
Kuiswa kweBattery
- Vhura chivharo chemuswe wemusoroamp.
- Insert the included 18650 Lithium Polymer battery with the positive (+) end facing towards the head of the light.
- Nyora chivharo chemuswe kumashure zvakasimba kuti uone kubata kwakakodzera uye kudzivirira mvura.
Kuchaja
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).
- Chiratidzo chechiedza pamusoro pemusoroamp will show the charging status:
- Tsvuku: Kuchaja kuri kuitika.
- Girinhi: Zvakakwana.
- 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.

Musoroamp features a built-in USB-C port for convenient and fast charging. The indicator light changes color to show charging status.
5. Operating Instructions
The HS41 is operated via a single side switch.
Basic Operation
- Batidza/Kudzima: 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.
- Modhi Memory: Musoroamp will remember the last used brightness level (except for special modes like Strobe, SOS, Beacon).
Quick Access Modes
- Mwedzi From OFF, press and hold the switch for 1 second to activate Moonlight mode.
- High Mode: From OFF, double-click the switch to directly activate High mode.
- Strobe Mode: From OFF, triple-click the switch to activate Strobe mode.

Musoroamp'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.
Lockout Basa
To prevent accidental activation, the HS41 features a lockout mode.
- Activate Lockout: From OFF, perform four quick clicks of the switch. The LED will blink twice to confirm lockout mode is active.
- Deactivate Lockout: Perform four quick clicks of the switch. The light will turn on to the last used mode.

Musoroamp features a lockout mode to prevent accidental activation. It is engaged by four quick clicks when the light is off, indicated by two blinks.
Power Indicator
The power indicator displays the battery level for 5 seconds every time the light is turned on.
- Girinhi: Remaining battery power is good (70% - 100%).
- Tsvuku: Remaining battery power is poor (30% - 69%).
- Kupenya Tsvuku: 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.
Yakadzika Voltage Yambiro
Kana bhatiri 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.

Kana bhatiri voltage inodonha pasi pe3V, iyo headlamp's indicator will flash red, and the device will vibrate twice with a one-minute interval, signaling a low voltage condition.
6. Kuchengeta
Kuchenesa
- Pukuta musoroamp ne nyoro, damp jira rekubvisa tsvina nemarara.
- Do not use abrasive cleaners or solvents, as they may damage the finish or internal components.
- 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.
Battery Care
- Recharge the battery regularly, especially if the headlamp haigoni kushandiswa kwenguva yakareba.
- Chengetedza bhatiri munzvimbo inotonhorera, yakaoma.
- If storing for a long time, remove the battery from the headlamp to prevent parasitic drain.
Storage
- Chengetedza musoroamp in a dry environment, away from direct sunlight and extreme temperatures.
- Simbisa musoroamp is in lockout mode or the battery is removed during storage to prevent accidental activation.
7. Kugadzirisa matambudziko
| Dambudziko | Zvinogona Kukonzera | Solution |
|---|---|---|
| Chiedza hachibatiki | Bhatiri rapera Battery incorrectly inserted Tail cap loose Misoroamp in lockout mode | Recharge bhatiri Tarisa bhatiri polarity Simbisa chivharo chemuswe Deactivate lockout mode (4 clicks) |
| Chiedza chinopenya kana kuti zvishoma | Bhatiri rakaderera Poor contact between battery and terminals Dirty threads/contacts | Recharge bhatiri Ensure battery is fully inserted Clean threads and contacts with a cotton swab |
| Kuchaja kusashanda | Kuchaja tambo yatadza USB power source insufficient Charging port dirty | Edza tambo ye USB-C yakasiyana Use a reliable USB power adapter Clean the USB-C port gently |
| Misoroamp 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. Zvinotsanangurwa
| Feature | Tsanangudzo |
|---|---|
| Model | HS41 |
| Light Source | 4*SST20 LEDs |
| Maximum Kupenya | 4000 Lumens |
| Beam Distance | 325 mamita |
| Simba Source | 1x Rechargeable Lithium Polymer Battery (included) |
| Kuchaja Port | USB Type-C |
| Material | Aluminium Alloy |
| Kuramba Mvura | IPX8 (submersible up to 2 meters for 30 minutes) |
| Impact Resistance | 1 mita |
| Dimensions | 1"D x 1"W x 1"H (inenge 30.1mm x 29mm x 115mm) |
| Kurema | 0.71 Pounds (approx. 11.4 ounces / 79g without battery) |
| Special Features | Adjustable Light Modes, Adjustable Strap, Magnetic Base, Low Voltage Warning, Advanced Temperature Regulation |
9. Warranty uye Tsigiro
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.





