Sofirn SC28 LED Flashlight User Manual

Introduction

Thank you for purchasing the Sofirn SC28 LED Flashlight. This manual provides detailed instructions for the safe and efficient use of your new flashlight. Please read this manual thoroughly before operation and retain it for future reference.

Safety Instructions

• Do not shine the light directly into eyes.
• Keep out of reach of children.
• Do not disassemble the flashlight head as this may damage the emitter or battery.
• Ensure the battery is inserted with the correct polarity.
• Use only recommended batteries.
• Avoid exposing the flashlight to extreme temperatures or direct sunlight for prolonged periods.
• The flashlight may become hot during prolonged use at high brightness levels.

Package Contents

The Sofirn SC28 package includes the following items:

• 1 x Sofirn SC28 LED Flashlight
• 1 x USB-C Charging Cable
• 1 x User Manual
• 1 x Lithium-ion Battery (included)
• 1 x Pocket Clip (pre-installed or included separately)
• 1 x Lanyard (if included)

Product Overview

The Sofirn SC28 is a powerful and compact LED flashlight designed for various applications, from daily carry to tactical use. It features a high-performance LED, USB-C charging, and multiple lighting modes.

Figure 1: Sofirn SC28 LED Flashlight.

Figure 2: The compact design of the Sofirn SC28, showing its dimensions (12.9 cm x 2.9 cm) and the integrated pocket clip for easy attachment to a backpack, belt, or hat. The flashlight weighs 83g without the battery.

Setup

1. Battery Installation

The Sofirn SC28 uses one 18650 Lithium-ion battery. Ensure the battery is fully charged before first use.

1. Unscrew the tail cap of the flashlight.
2. Insert the battery with the positive (+) terminal facing towards the head of the flashlight.
3. Screw the tail cap back on tightly to ensure proper contact and water resistance.

2. Charging

The SC28 features a convenient USB-C charging port. The battery indicator light provides charging status.

1. Locate the USB-C charging port on the side of the flashlight head. It is protected by a rubber cover.
2. Gently lift the rubber cover.
3. Connect the provided USB-C cable to the flashlight and a power source (e.g., USB wall adapter, power bank, computer).
4. The indicator light will show the charging status:
   • Red (fixed): Charging (Battery 25% - 50%)
   • Red (flashing): Low power (Battery 0% - 25%)
   • Green (fixed): Fully charged (Battery 50% - 100%)
5. Once charging is complete, disconnect the cable and firmly press the rubber cover back into place to maintain water resistance.

Figure 3: The battery indicator light on the Sofirn SC28, showing green for 50-100% charge, red for 25-50% charge, and flashing red for 0-25% charge. The USB-C charging port is also visible.

Figure 4: The Sofirn SC28 is Type-C rechargeable, allowing for high-speed charging. A 4000mAh 21700 battery (if used) can be fully charged in 3-4 hours, providing up to 1000 hours in moonlight mode.

Operating Instructions

The Sofirn SC28 features a tactical tail switch for operation and mode selection.

1. Power On/Off

• To turn ON: Single click the tail switch.
• To turn OFF: Single click the tail switch when the light is on.
• Momentary ON: From OFF, tap and hold the tail switch for momentary illumination. Release to turn off.

2. Mode Switching (Daily Mode vs. Tactical Mode)

The SC28 offers two main mode groups: a Default Group (Daily Mode) and a Tactical Group. You can switch between these groups.

Figure 5: The Sofirn SC28 features a programmable user interface. From OFF, single click to turn ON/OFF. From ON, fast double-click to change brightness.

Figure 6: Diagram illustrating the two mode groups: Default Group (Moonlight, Low, Medium, High, Turbo) and Tactical Group (Medium, Turbo, Strobe). Switching between groups is done by unscrewing and re-screwing the tail cap.

3. Brightness Adjustment

• From OFF: Single click to turn on. The flashlight will remember the last used brightness level (except Moonlight, Turbo, and Strobe).
• From ON: Fast double-click the tail switch to cycle through brightness levels within the current mode group.

Figure 7: Visual representation of the 6 light modes available on the Sofirn SC28: Moonlight (1LM), Low (100LM), Medium (350LM), High (1200LM), Turbo (2800LM), and Strobe (2200LM).

4. Strobe Mode

Strobe mode is primarily available in the Tactical Group for emergency or signaling purposes.

• To activate Strobe: From the Tactical Group, cycle through modes until Strobe is reached.
• In the Tactical Group, only Medium, High, and Strobe modes are available.

Figure 8: The Sofirn SC28 features a rapid strobe flash, easily accessible in tactical mode for quick signaling or disorientation.

Maintenance

1. Cleaning

• Clean the flashlight body with a soft, damp cloth.
• Do not use abrasive cleaners or solvents.
• Periodically clean the threads and O-rings with a clean cloth and apply silicone grease to maintain water resistance.

2. Storage

• Remove the battery if the flashlight will not be used for an extended period to prevent leakage.
• Store the flashlight in a cool, dry place.

3. Water Resistance

The Sofirn SC28 is rated IPX8 waterproof, meaning it can be submerged up to 2 meters for 30 minutes. However, it is not designed for diving. Ensure all caps and covers are securely closed before exposure to water.

Figure 9: The Sofirn SC28 is IPX8 rated, indicating its high level of water resistance, suitable for use in wet conditions.

Troubleshooting

Specifications

Figure 10: Detailed specifications table for the Sofirn SC28, including lumen output, beam distance, runtime, and candela for various modes.

Warranty and Support

Sofirn products are manufactured to high-quality standards. For warranty information, technical support, or any issues with your product, please contact the seller or Sofirn customer service directly. Please retain your proof of purchase for warranty claims.

You can visit the official Sofirn store for more information: Sofirn Store