Sarrera
The Sofirn SC21 is a compact and powerful mini flashlight designed for everyday carry (EDC). Featuring a super bright LH351D LED, USB-C rechargeable battery, and a magnetic tail cap, it offers versatile lighting solutions for various situations. This manual provides detailed instructions for safe and effective use of your SC21 flashlight.

Figure 1: Sofirn SC21 Mini Small Flashlight
Segurtasun Informazioa
- Do not point the flashlight directly into eyes. The powerful beam can cause temporary vision impairment.
- Mantendu haurren eskura.
- Do not disassemble the flashlight head or internal components, as this may damage the device and void the warranty.
- Avoid storing the flashlight in direct sunlight or high-temperature environments (e.g., inside a hot car) as this can damage the battery.
- Ensure the USB-C port cover is securely closed to maintain water resistance.
- If the flashlight is not in use for an extended period, unscrew the tube or remove the battery to prevent parasitic drain.
Paketearen edukia
- Sofirn SC21 Mini Flashlight
- 16340 Lithium-Ion Battery (800mAh)
- USB-A USB-C kargatzeko kablea
- Poltsikoko Klipa
- Korrila
- Erabiltzailearen eskuliburua
- Ordezko O-eraztunak
Video 1: Unboxing the Sofirn SC21 Mini Small Rechargeable Flashlight, showing all included components.
Konfigurazioa
1. Bateriaren instalazioa
Before first use, unscrew the tail cap and remove the insulation paper from the battery. Ensure the positive (+) end of the battery faces towards the flashlight head (LED side). Screw the tail cap back on tightly.

Figure 2: Remove insulation paper from the battery before first use.
2. Kargatzea
The SC21 features a built-in USB-C charging port. Open the rubber cover on the side of the flashlight to reveal the port. Connect the provided USB-C cable to the flashlight and a 5V 1A USB power adapter (not included). The indicator LED on the switch will flash RED during charging and turn GREEN when fully charged. Charging typically takes about 1 hour.

Figure 3: USB-C charging port with indicator light.
Funtzionamendu-argibideak
Oinarrizko Funtzionamendua
- Aktibatu/Itzali: Single click the side switch to turn the flashlight ON or OFF.
- Change Brightness Levels (Stepped Mode): While ON, press and hold the switch to cycle through Low, Medium, and High. Release the switch at your desired brightness.
- Ilargiaren modua: While OFF, press and hold the switch for 1 second to activate Moonlight mode (1 Lumen).
- Turbo modua: While ON, double-click the switch to activate Turbo mode (1000 Lumens). Double-click again to return to the previous mode.
- Strobe modua: While ON, triple-click the switch to activate Strobe mode. Triple-click again to return to the previous mode.
- Blokeatu/Desblokeatu: While OFF, four fast clicks of the switch will lock or unlock the flashlight. The light will flash once to confirm lockout/unlock. In lockout mode, pressing the button will only activate Moonlight mode.

Figure 4: The powerful beam of the Sofirn SC21, reaching up to 135 meters.
Bateria adierazlea
The LED indicator on the switch shows the battery status:
- Berdea: Battery is good (above 30%).
- Gorria: Battery is low (less than 30%).
- Gorri keinuka: Battery is critical and needs immediate charging.
Ezaugarri bereziak
- Buztan magnetikoaren txanoa: The magnetic tail cap allows you to attach the flashlight to any ferrous metal surface for hands-free lighting.
- Dual-Way Pocket Clip: The reversible clip allows for versatile carrying options, including attaching to a pocket, belt, or hat brim.

Figure 5: Magnetic tail cap for hands-free use.
Video 2: Demonstrating the compact size, dual-way clip, and magnetic tail cap of the Sofirn SC21.
Mantentzea
- Garbiketa: Use a clean, soft cloth to wipe the flashlight body. For stubborn dirt, use a damp oihal. Ez erabili produktu kimiko gogorrak edo urratzaileak.
- O-eraztunen lubrifikazioa: Periodically lubricate the O-rings with silicone grease to maintain water resistance.
- Bateria zaintzea: Charge the battery regularly, even if not in frequent use, to prolong its lifespan. Avoid fully discharging the battery.
- Harremanetarako Garbiketa: If the flashlight experiences poor connection, wipe the spring or the ends of the battery with alcohol to remove any debris.
Arazoak konpontzea
| Arazoa | Kausa posiblea | Irtenbidea |
|---|---|---|
| Linterna ez da pizten. | Bateria agortuta edo baxua da. Insulation paper not removed. Isats-txapel soltea. Lockout mode is active. | Kargatu bateria. Remove insulation paper. Estutu buztanaren txanoa. Four fast clicks to unlock. |
| Light flickers or turns off unexpectedly. | Poor battery contact. Bateria baxua. | Clean battery contacts. Kargatu bateria. |
| Ezin dira distira moduak aldatu. | Funtzionamendu okerra. | Refer to "Operating Instructions" section for correct button presses. |
Zehaztapenak
| Ezaugarri | Xehetasuna |
|---|---|
| Eredua | SC21 |
| Argi iturria | LH351D LED (5000K) |
| Irteera maximoa | 1000 lumen |
| Gehienezko habe-distantzia | 135 metro |
| Energia iturria | 1 x 16340 Lithium-Ion Battery (800mAh included) |
| Kargatzeko ataka | USB C motakoa |
| Uraren Erresistentzia | IPX8 (up to 2 meters underwater, not for diving) |
| Eragin Erresistentzia | 1.5 metro |
| Materiala | Aluminiozko aleazioa |
| Neurriak | 3.6"S x 2.6"Z x 1.6"A (gutxi gorabehera) |
| Pisua | 2.29 ontza (gutxi gorabehera) |
Bermea eta Laguntza
Sofirn products come with a warranty against defects in materials and workmanship. For specific warranty terms and conditions, please refer to the warranty card included in your package or visit the official Sofirn website. If you encounter any issues or have questions, please contact Sofirn customer support for assistance.
Harremanetarako informazioa:
- Ofiziala Webgunea: www.sofirnlight.com
- Amazon denda: Sofirn Amazon Store





