Einführung
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
Sicherheitshinweise
- Do not point the flashlight directly into eyes. The powerful beam can cause temporary vision impairment.
- Außerhalb der Reichweite von Kindern aufbewahren.
- 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.
- Um die Wasserbeständigkeit zu gewährleisten, stellen Sie sicher, dass die Abdeckung des USB-C-Anschlusses fest verschlossen ist.
- If the flashlight is not in use for an extended period, unscrew the tube or remove the battery to prevent parasitic drain.
Packungsinhalt
- Sofirn SC21 Mini-Taschenlampe
- 16340 Lithium-Ion Battery (800mAh)
- USB-A auf USB-C Ladekabel
- Taschenclip
- Schlüsselband
- Bedienungsanleitung
- Ersatz-O-Ringe
Video 1: Unboxing the Sofirn SC21 Mini Small Rechargeable Flashlight, showing all included components.
Aufstellen
1. Einlegen der Batterie
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. Aufladen
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.
Bedienungsanleitung
Grundlegende Bedienung
- An / Ausschalten: Ein Klick auf den seitlichen Schalter schaltet die Taschenlampe EIN oder AUS.
- 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.
- Mondscheinmodus: While OFF, press and hold the switch for 1 second to activate Moonlight mode (1 Lumen).
- Turbo Modus: While ON, double-click the switch to activate Turbo mode (1000 Lumens). Double-click again to return to the previous mode.
- Stroboskop-Modus: While ON, triple-click the switch to activate Strobe mode. Triple-click again to return to the previous mode.
- Sperren/Entsperren: 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.
Batterieanzeige
The LED indicator on the switch shows the battery status:
- Grün: Battery is good (above 30%).
- Rot: Battery is low (less than 30%).
- Rot blinkend: Battery is critical and needs immediate charging.
Besondere Merkmale
- Magnetische Endkappe: 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.
Wartung
- Reinigung: Use a clean, soft cloth to wipe the flashlight body. For stubborn dirt, use a damp Stoff. Verwenden Sie keine scharfen Chemikalien oder Scheuermittel.
- O-Ring-Schmierung: Um die Wasserdichtigkeit zu erhalten, sollten die O-Ringe regelmäßig mit Silikonfett eingefettet werden.
- Batteriepflege: Charge the battery regularly, even if not in frequent use, to prolong its lifespan. Avoid fully discharging the battery.
- Kontaktreinigung: If the flashlight experiences poor connection, wipe the spring or the ends of the battery with alcohol to remove any debris.
Fehlerbehebung
| Problem | Mögliche Ursache | Lösung |
|---|---|---|
| Die Taschenlampe lässt sich nicht einschalten. | Die Batterie ist leer oder fast leer. Insulation paper not removed. Lose Endkappe. Der Sperrmodus ist aktiv. | Laden Sie den Akku auf. Isolierpapier entfernen. Endkappe festziehen. Four fast clicks to unlock. |
| Das Licht flackert oder geht unerwartet aus. | Schlechter Batteriekontakt. Schwache Batterie. | Batteriekontakte reinigen. Laden Sie den Akku auf. |
| Helligkeitsmodi können nicht geändert werden. | Falsche Bedienung. | Refer to "Operating Instructions" section for correct button presses. |
Technische Daten
| Besonderheit | Detail |
|---|---|
| Modell | SC21 |
| Lichtquelle | LH351D LED (5000K) |
| Maximale Leistung | 1000 Lumen |
| Maximale Strahlreichweite | 135 Meter |
| Stromquelle | 1 x 16340 Lithium-Ion Battery (800mAh included) |
| Ladeanschluss | USB Typ C |
| Wasserbeständigkeit | IPX8 (bis zu 2 Meter unter Wasser, nicht zum Tauchen geeignet) |
| Schlagfestigkeit | 1.5 Meter |
| Material | Aluminiumlegierung |
| Maße | 3.6" T x 2.6" B x 1.6" H (ca.) |
| Gewicht | 2.29 Unzen (ca.) |
Garantie und Support
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.
Kontaktinformationen:
- Offiziell WebWebsite: www.sofirnlight.com
- Amazon Store: Sofirn Amazon Store





