Introduction
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
Коопсуздук маалыматы
- Do not point the flashlight directly into eyes. The powerful beam can cause temporary vision impairment.
- Балдар жетпеген жерде сактаңыз.
- 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.
Пакеттин мазмуну
- Sofirn SC21 Mini Flashlight
- 16340 Lithium-Ion Battery (800mAh)
- USB-Aдан USB-Cге заряддоо кабели
- Чөнтөк клип
- Lanyard
- User Manual
- Запастык шакекчелер
Video 1: Unboxing the Sofirn SC21 Mini Small Rechargeable Flashlight, showing all included components.
Жайгашуу
1. Батареяны орнотуу
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. Заряддоо
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.

3-сүрөт: Индикатор жарыгы бар USB-C кубаттоо порту.
Иштөө нускамалары
Негизги операция
- КҮЙГҮЗҮҮ/ӨЧҮРҮҮ: 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.
- Ай жарыгы режими: While OFF, press and hold the switch for 1 second to activate Moonlight mode (1 Lumen).
- Турбо режими: While ON, double-click the switch to activate Turbo mode (1000 Lumens). Double-click again to return to the previous mode.
- Strobe режими: While ON, triple-click the switch to activate Strobe mode. Triple-click again to return to the previous mode.
- Бөгөттөө/Кулпусун ачуу: 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.
Батарея көрсөткүчү
The LED indicator on the switch shows the battery status:
- Жашыл: Battery is good (above 30%).
- Кызыл: Battery is low (less than 30%).
- Кыпкызыл кызыл: Battery is critical and needs immediate charging.
Өзгөчөлүктөр
- Magnetic Tail Cap: 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.
Техникалык тейлөө
- Тазалоо: Use a clean, soft cloth to wipe the flashlight body. For stubborn dirt, use a damp кездеме. Катуу химиялык заттарды же абразивдерди колдонбоңуз.
- O-Ring майлоо: Суу өткөрбөөчүлүгүн сактоо үчүн О-шакектерди мезгил-мезгили менен силикон майы менен майлап туруңуз.
- Батареяга кам көрүү: Charge the battery regularly, even if not in frequent use, to prolong its lifespan. Avoid fully discharging the battery.
- Байланыш тазалоо: If the flashlight experiences poor connection, wipe the spring or the ends of the battery with alcohol to remove any debris.
Проблемаларды чечүү
| Көйгөй | Мүмкүн себеп | Чечим |
|---|---|---|
| Кол чырак күйбөйт. | Батарея түгөндү же аз калды. Insulation paper not removed. Бошогон куйрук капкагы. Lockout mode is active. | Батареяны заряддаңыз. Remove insulation paper. Куйрук капкагын бекемдөө. Four fast clicks to unlock. |
| Light flickers or turns off unexpectedly. | Poor battery contact. Батарея аз. | Батареянын контакттарын тазалаңыз. Батареяны заряддаңыз. |
| Cannot change brightness modes. | Туура эмес операция. | Refer to "Operating Instructions" section for correct button presses. |
Техникалык шарттар
| Өзгөчөлүк | Деталь |
|---|---|
| Модел | SC21 |
| Жарык булагы | LH351D LED (5000K) |
| Max Output | 1000 Lumens |
| Макс нуру аралык | 135 метр |
| Power Source | 1 x 16340 Lithium-Ion Battery (800mAh included) |
| Заряддоо порту | USB Type-C |
| Суу каршылык | IPX8 (up to 2 meters underwater, not for diving) |
| Таасирге каршылык | 1.5 метр |
| Материал | Алюминий эритмеси |
| Өлчөмдөр | 3.6"D x 2.6"W x 1.6"H (болжол менен) |
| Салмагы | 2.29 унция (болжол менен) |
Кепилдик жана колдоо
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.
Байланыш маалыматы:
- Официалдуу Webсайт: www.sofirnlight.com
- Amazon дүкөнү: Sofirn Amazon Store





