1. Introduction
Thank you for purchasing the Sofirn ST1 EDC 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.
Image 1.1: Sofirn ST1 EDC Flashlight, a compact and durable lighting tool.
2. Package Contents
Please check the package contents upon receipt to ensure all items are present:
- 1 x Sofirn ST1 Flashlight
- 1 x Lanyard
- 1 x USB-C Charging Cable
- 1 x User Manual (this document)
Image 2.1: Contents included in the Sofirn ST1 flashlight package.
3. Setup
3.1 Initial Charging
The Sofirn ST1 comes with a built-in rechargeable battery. Before first use, it is recommended to fully charge the flashlight.
- Locate the USB-C charging port on the side of the flashlight.
- Connect the provided USB-C cable to the flashlight and a compatible USB power source (e.g., computer, wall adapter).
- The indicator light on the button will show charging status.
- Charging is complete when the indicator light changes color (refer to Section 5 for details).
4. Operating Instructions
The Sofirn ST1 features a single side switch for all operations.
Image 4.1: Visual guide to the Sofirn ST1's single-button operation.
4.1 Power On/Off
- To Turn On: Single-click the side switch.
- To Turn Off: Single-click the side switch again.
4.2 Brightness Levels
The ST1 offers five brightness levels: Moon, Low, Medium, High, and Turbo.
Image 4.2: Illustration of the five distinct lighting modes available on the Sofirn ST1.
- Cycle Modes (Low, Medium, High): When the flashlight is ON, press and hold the side switch to cycle through Low, Medium, and High modes. Release the switch to select the desired mode.
- Moonlight Mode: When the flashlight is OFF, press and hold the side switch for 1 second to activate Moonlight mode.
- Turbo Mode: Double-click the side switch from any state (ON or OFF) to instantly activate Turbo mode. Double-click again to return to the previously used brightness level.
4.3 Mode Memory
The ST1 will remember the last used brightness level (Low, Medium, or High) and will turn on in that mode the next time it is activated. Moonlight and Turbo modes are not memorized.
4.4 Lockout/Unlock Function
The lockout function prevents accidental activation, which is useful during transport or storage.
- To Lock: When the flashlight is OFF, double-click the side switch. The indicator light will flash to confirm lockout.
- To Unlock: Double-click the side switch again. The flashlight will turn on in the last memorized mode.
5. Battery Indicator
The indicator light on the side switch provides real-time battery status:
- Green Light: Battery capacity is 50% - 100%.
- Orange Light: Battery capacity is 20% - 50%.
- Red Light: Battery capacity is less than 20%. Recharge the flashlight soon.
Image 5.1: Visual representation of the battery indicator colors and estimated runtime.
6. Maintenance
6.1 Cleaning
Wipe the flashlight with a soft, damp cloth as needed. Avoid using harsh chemicals or abrasive materials.
6.2 Water Resistance (IPX7)
The Sofirn ST1 is rated IPX7 waterproof, meaning it can withstand immersion in water up to 1 meter for 30 minutes. Ensure the USB-C port cover is securely closed to maintain water resistance.
Image 6.1: The Sofirn ST1 demonstrating its resistance to water splashes.
6.3 Storage
Store the flashlight in a cool, dry place. For long-term storage, it is advisable to charge the battery to approximately 50% every few months to prolong battery life.
7. Troubleshooting
If you encounter issues with your Sofirn ST1, please refer to the following common problems and solutions:
- Flashlight does not turn on:
- Ensure the flashlight is not in lockout mode (double-click to unlock).
- Check battery level and recharge if necessary.
- Flashlight does not charge:
- Verify the USB-C cable is properly connected to both the flashlight and the power source.
- Try a different USB-C cable or power adapter.
- Light output is dim or flickers:
- The battery may be low. Recharge the flashlight.
- Ensure the lens is clean.
If the problem persists, please contact Sofirn customer support for assistance.
8. Specifications
Technical specifications for the Sofirn ST1 EDC Flashlight:
| Feature | Specification |
|---|---|
| Model | ST1 |
| Light Source | LED |
| Maximum Output | 1500 Lumens |
| Maximum Beam Distance | 226 meters |
| Power Source | Built-in Lithium Polymer Battery |
| Battery Capacity | 2100 mAh (estimated from runtime image) |
| Charging Port | USB-C |
| Water Resistance | IPX7 |
| Impact Resistance | 1 meter |
| Material | Aerospace-grade Aluminum Alloy (AL6061-T6) |
| Dimensions (L x W x H) | 4.72" x 1.1" x 0.63" (120mm x 28mm x 16mm) |
| Weight | 4.9 ounces (102g) |
Image 8.1: Detailed output and runtime specifications for each lighting mode.
9. Safety Information
- Do not shine the flashlight directly into eyes. The high intensity light can cause temporary vision impairment.
- Keep out of reach of children.
- Do not disassemble the flashlight, as this may damage the device and void the warranty.
- Avoid exposing the flashlight to extreme temperatures or direct sunlight for prolonged periods.
10. Warranty and Support
10.1 Warranty
The Sofirn ST1 EDC Flashlight is covered by a manufacturer's warranty against defects in materials and workmanship. Please refer to the warranty card included with your product or contact Sofirn customer service for specific warranty terms and conditions.
10.2 Customer Support
For any questions, technical assistance, or warranty claims, please contact Sofirn customer support through their official website or the retailer where you purchased the product.
