Introduction
Welcome to the user manual for your Sofirn SR23 Flashlight. This guide provides essential information for the safe and effective operation, maintenance, and troubleshooting of your new dual-source flashlight, featuring both powerful white light and versatile 365nm UV light.
Safety Information
General Safety Guidelines
- Do not look directly into the light beam, especially the high-lumen white light, as it can cause temporary vision impairment.
- Keep the flashlight out of reach of children to prevent accidental activation or misuse.
- Use only the specified battery type and charging cable provided or recommended by Sofirn.
- Do not attempt to disassemble or modify the flashlight, as this will void the warranty and may cause damage or injury.
- Avoid exposing the flashlight to extreme temperatures (hot or cold) or direct sunlight for prolonged periods.
Package Contents
What's Included
Please verify that all the following items are included in your package:
- Sofirn SR23 Flashlight x 1
- User Manual x 1
- USB Cable x 1
- Lanyard x 1
- Spare O-rings x 2
This image displays all components typically included in the Sofirn SR23 Flashlight package.
Product Overview
Key Features
- 3300 Lumens Powerful White Light: Equipped with three high-performance LEDs, the SR23 delivers up to 3300 lumens and a beam distance of 200 meters, making it ideal for night hiking, camping, and emergency response.
- 365 nm Versatile UV Light: In addition to its bright white floodlight, the SR23 includes a UV light useful for fluorescence detection, verifying currency, spotting stains, or identifying biological traces during outdoor activities.
- Intuitive Operation UI: Easily control both white and UV lights with dual side switches. A single click turns the light on or off. Long-press the white button for stepless white light dimming, or long-press the UV button to switch between low and high UV modes.
- Lockout Mode: Prevents the flashlight from accidentally turning on in your pocket or bag. Simply click the white button 4 times to lock it, making it perfect for worry-free carrying.
- Built for the Outdoors: Forged for the wild, the SR23 is built from tough aerospace-grade aluminum and built to endure. Featuring IP68 waterproof protection and 1-meter impact resistance, it takes on rain, shocks, and the most demanding outdoor environments.
A detailed view of the Sofirn SR23 flashlight, highlighting its design and features.
This image demonstrates the intuitive dual-switch interface for controlling both white and UV light modes.
Specifications
Technical Data
| Feature | Detail |
|---|---|
| Manufacturer | Sofirn |
| Item Model Number | CASFSR2309 |
| Product Dimensions | 4 x 4 x 10 cm; 250 g |
| Batteries | 1 Lithium Polymer battery (included) |
| Colour | Black |
| Material | Aluminum |
| Included Components | Charging Cable |
| Battery Cell Composition | Lithium Polymer |
This image provides a visual representation of the flashlight's dimensions and weight, along with its portable features.
This table details the power output and estimated runtimes for both UV and white light modes.
Setup
Initial Use and Charging
The Sofirn SR23 comes with a built-in rechargeable battery. Before first use, it is recommended to fully charge the device to ensure optimal performance.
Charging Instructions
- Locate the USB-C charging port on the flashlight. It is typically covered by a rubber flap for protection.
- Connect the provided USB-C cable to the flashlight and the other end to a compatible USB power source (e.g., computer, wall adapter, power bank).
- The power indicator on the flashlight will illuminate to show the charging status.
- Charging typically takes approximately 3 hours for a full charge from empty.
This image illustrates the USB-C charging process and the power indicator on the flashlight.
Power Indicator Status
After turning on the SR23, the indicator will display the battery voltage for 5 seconds:
- Green: Battery charge is greater than 75%.
- Green Flashing: Battery charge is between 50% and 75%.
- Red: Battery charge is between 25% and 50%.
- Red Flashing: Battery charge is less than 25%. Please recharge soon.
This diagram explains the meaning of the power indicator light colors and their corresponding battery levels.
Operating Instructions
Basic Operation
Turning On/Off
A single click of either the white light button or the UV light button will turn the respective light on or off.
White Light Control
- Turn On/Off: Single click the white light button.
- Stepless Dimming: While the white light is ON, long-press the white light button to cycle through brightness levels. Release the button to set the desired brightness.
- Turbo Mode: From ON, double-click the white light button to activate Turbo mode.
- SOS Mode: From ON, triple-click the white light button to activate SOS signaling mode.
- Strobe Mode: From ON, quadruple-click the white light button to activate Strobe mode.
This image demonstrates the powerful white light output of the SR23 flashlight during outdoor use, highlighting its brightness and beam distance.
UV Light Control
- Turn On/Off: Single click the UV light button.
- Switch Modes: While the UV light is ON, long-press the UV light button to switch between Low and High UV modes.
This image illustrates the effectiveness of the 365nm UV light for detecting stains, showcasing both low and high intensity modes.
Lockout Mode
To prevent accidental activation, the SR23 features a lockout mode, ideal for carrying in pockets or bags.
- Activate Lockout: From the OFF state, quickly click the white light button 4 times. The light will flash briefly to confirm activation of lockout mode.
- Deactivate Lockout: From lockout mode, quickly click the white light button 4 times again. The light will turn on in the last used mode, indicating it is unlocked.
This image shows the flashlight stored in a backpack, emphasizing the utility of the lockout mode for safe and worry-free transport.
Maintenance
Care and Cleaning
- Clean the flashlight body with a soft, slightly damp cloth. Do not use harsh chemicals or abrasive cleaners.
- Periodically inspect and lubricate the O-rings with silicone grease to maintain the flashlight's IP68 water resistance.
- Keep the charging port clean and free of debris. Ensure the rubber flap is securely closed when not charging.
- If the flashlight will not be used for an extended period, it is recommended to fully charge it before storage and recharge every 3-6 months to preserve battery health.
Troubleshooting
Common Issues and Solutions
| Problem | Possible Cause | Solution |
|---|---|---|
| Flashlight does not turn on | Low or depleted battery | Recharge the battery fully using the provided USB-C cable. |
| Flashlight does not turn on | Lockout mode is activated | Deactivate lockout mode by quickly clicking the white button 4 times. |
| Light output is weak or inconsistent | Low battery charge | Recharge the battery. Check the power indicator for battery status. |
| Water ingress or moisture inside | Damaged or improperly seated O-rings | Inspect O-rings for damage (tears, cracks) and ensure they are properly seated and lubricated. Replace if necessary. |
| Flashlight gets hot quickly | Operating in Turbo mode for extended periods | This is normal for high-lumen flashlights. Reduce brightness to a lower mode to decrease heat generation. |
Warranty and Support
Product Warranty
Sofirn products typically come with a manufacturer's warranty. Please refer to the warranty card included with your product or visit the official Sofirn website for detailed warranty terms and conditions, as these may vary by region and product.
Customer Support
For technical assistance, warranty claims, or general inquiries regarding your Sofirn SR23 Flashlight, please contact Sofirn customer support through their official website or the retailer where you purchased the product.
Manufacturer: Sofirn
Website: www.sofirnlight.com
Note: No official product videos were found in the provided data.
