Sofirn HS20 LED Headlamp User Manual

1. Product Overview

The Sofirn HS20 LED Headlamp is a versatile and powerful lighting tool designed for various outdoor activities and work environments. It features dual emitters, combining a spotlight for long-range illumination and a floodlight for wide-area coverage. The headlamp is rechargeable via USB-C and built with durable aluminum for reliable performance.

Image: Sofirn HS20 LED Headlamp with adjustable headband.

2. Package Contents

Please check the package for the following items:

• 1x Sofirn HS20 Headlamp
• 1x Rechargeable Battery
• 1x USB Charging Cable
• 1x User Manual

3. Setup

3.1 Battery Installation

To install the battery, unscrew the tail cap of the headlamp. Insert the provided 18650 lithium-ion battery with the positive (+) end facing towards the head of the lamp. Screw the tail cap back on securely to ensure proper contact and water resistance.

Image: Close-up of the USB-C charging port located under the tail cap.

3.2 Charging the Headlamp

The HS20 features a built-in USB-C charging port. Unscrew the tail cap to reveal the port. Connect the included USB charging cable to the headlamp and a compatible USB power source (e.g., wall adapter, computer, power bank). The indicator light will show charging status. A full charge typically takes approximately 2 hours.

Image: Various methods for charging the Sofirn HS20 headlamp via USB-C.

4. Operating Instructions

The HS20 headlamp features independent control for its spotlight and floodlight emitters.

Image: Diagram showing the independent spotlight and floodlight LEDs on the Sofirn HS20.

4.1 Basic Operation

• Turn On/Off: Press the respective button (left for floodlight, right for spotlight) to turn on the corresponding LED. Press again to turn off.
• Mode Cycling: While an LED is on, press and hold its button to cycle through Eco, Low, Medium, and High modes. Release the button to select the desired brightness.
• Turbo Mode: From any mode, double-press the respective button to activate Turbo mode. Double-press again to return to the previously used mode.
• Moonlight Mode: From OFF, press and hold the respective button for approximately 1 second to activate Moonlight mode.
• Memory Function: The headlamp will remember the last used brightness level for each LED (except Turbo and Moonlight) when turned off and on again.
• Dual LED Operation: Both the spotlight and floodlight can be operated independently or simultaneously. Activate each LED using its dedicated button.

Image: Visual representation of the five lighting modes (Turbo, High, Med, Low, ECO) and their respective lumen outputs and beam distances for Throw, Flood, and Throw-Flood combinations.

4.2 Lockout Function

To prevent accidental activation, especially during transport or storage, the headlamp features a lockout function.

• Activate Lockout: From OFF, triple-press either button. The headlamp will flash once to indicate it is locked.
• Deactivate Lockout: Triple-press either button again. The headlamp will turn on in the last used mode, indicating it is unlocked.

4.3 Beam Characteristics

The HS20 offers distinct beam patterns:

• Spotlight: Provides a focused beam for long-distance visibility, ideal for identifying objects far away.
• Floodlight: Offers a wide, even beam for close-up tasks and general area illumination, reducing eye strain.
• Combined (Spot + Flood): Utilizes both emitters for maximum output and a balanced beam combining throw and flood.

Image: Comparison of the floodlight and spotlight beams in an outdoor setting, demonstrating their distinct illumination patterns.

4.4 Official Product Videos

The following videos provide additional visual information on the Sofirn HS20 headlamp's features and performance:

5. Maintenance

• Cleaning: Clean the headlamp with a soft, damp cloth. Do not use abrasive cleaners or solvents.
• Lubrication: Periodically lubricate the O-rings with silicone grease to maintain water resistance.
• Battery Care: Store the headlamp with a partially charged battery if not used for extended periods. Recharge the battery every 3-6 months to prolong its lifespan.
• Storage: Store the headlamp in a cool, dry place away from direct sunlight and extreme temperatures.

6. Troubleshooting

• Headlamp not turning on:
  • Check if the battery is inserted correctly with the positive (+) end facing the head.
  • Ensure the tail cap is fully tightened.
  • Verify the battery is charged.
  • Check if the lockout function is activated (triple-press to deactivate).
• Light output is dim or flickering:
  • The battery might be low; recharge it.
  • Clean the battery contacts and the headlamp's internal contacts.
• Charging issues:
  • Ensure the USB-C cable is properly connected.
  • Try a different USB power source or cable.
  • Verify the tail cap is unscrewed to expose the charging port.

If issues persist, please contact Sofirn customer support for assistance.

7. Specifications

8. Safety Information

• Do not shine the light directly into eyes.
• Keep out of reach of children.
• Avoid disassembling the headlamp, as this may damage it and void the warranty.
• Use only the recommended battery type.
• Do not expose the headlamp to extreme heat or open flames.
• Ensure the tail cap is fully tightened before exposing the headlamp to water.
• Caution: The LEDs of the headlamp can get extremely hot when on high brightness. Exercise caution when handling and storing the headlamp, especially when packed in bags, to prevent accidental activation and potential damage or fire hazards.