Sofirn D25S & D25LR Headlamp User Manual

1. Introduction

Thank you for choosing the Sofirn D25S and D25LR Headlamps. This bundle includes two versatile headlamps designed for various activities such as camping, hiking, running, and general outdoor use. The D25S offers a powerful white light output, while the D25LR features both white and a specialized 660nm deep red light for preserving night vision. Please read this manual thoroughly before using your headlamps to ensure safe and optimal performance.

Figure 1: Sofirn D25S and D25LR Headlamps. The image displays both headlamps, highlighting their compact design and dual-light source capabilities.

2. Safety Information

• Eye Safety: Do not shine the light directly into eyes. The high intensity light can cause temporary vision impairment or permanent eye damage.
• Battery Safety:
  • Use only recommended battery types.
  • Do not mix old and new batteries, or different types of batteries.
  • Do not dispose of batteries in fire.
  • If the headlamp will not be used for an extended period, remove the battery to prevent leakage.
• Heat: The headlamp may become warm during prolonged use, especially on higher modes. This is normal. Avoid direct contact with skin when hot.
• Water Resistance: These headlamps are not water resistant. Avoid exposure to heavy rain or submersion in water.
• Children: Keep out of reach of children.

3. Product Overview

3.1. Sofirn D25S Headlamp

The D25S is equipped with an SST40 LED, delivering a maximum output of 1200 lumens. It features multiple white light modes for various illumination needs.

3.2. Sofirn D25LR Headlamp

The D25LR features a 5000K White LED (90 CRI) with a max output of 500lm and a 660nm Deep Red LED. The red light is designed to protect night vision and can be beneficial for certain activities.

Figure 2: Sofirn D25LR Light Modes. This image illustrates the different brightness levels for both white and red light, including High, Medium, Low, and Moon modes.

4. Specifications

5. Setup

5.1. Battery Installation (if applicable)

The headlamps come with an included rechargeable battery. Ensure the battery is properly seated before first use. For models requiring manual battery insertion, unscrew the battery cap, insert the battery with the positive (+) end facing the head of the lamp, and screw the cap back on securely.

5.2. Adjusting the Headband

The elastic headband is adjustable to fit various head sizes or to be worn over a helmet. Slide the buckles on the strap to achieve a comfortable and secure fit.

Figure 3: Adjustable Headband and Angle. This image shows how to adjust the elastic headband for a comfortable fit and demonstrates the 180-degree angle adjustment capability of the headlamp body.

6. Operating Instructions

6.1. Power On/Off

• To Turn On: Press and hold the power button for approximately 0.5 seconds.
• To Turn Off: Press and hold the power button for approximately 0.5 seconds from any mode.

6.2. Mode Switching (D25S - White Light)

• From ON, single click the power button to cycle through modes: Low → Medium 1 → Medium 2 → High.
• Turbo Mode: Double click the power button from any mode to activate Turbo. Double click again to return to the previous mode.
• Moonlight Mode: From OFF, press and hold the power button for 1 second to activate Moonlight mode.

6.3. Mode Switching (D25LR - White and Red Light)

• From ON, single click the power button to cycle through White Light modes (Low → Medium → High).
• Switch to Red Light: From ON, double click the power button to switch to Red Light modes. Single click to cycle through Red Light modes (Low → Medium → High).
• Switch back to White Light: From Red Light modes, double click the power button.
• Moonlight Mode (White): From OFF, press and hold the power button for 1 second to activate White Moonlight mode.
• Red Moonlight Mode: From OFF, double click and hold the power button for 1 second to activate Red Moonlight mode.

6.4. Charging the Headlamp

Both D25S and D25LR models feature a hidden USB-C charging port. Locate the rubber cover on the side of the headlamp body. Gently lift the cover to reveal the USB-C port. Connect the provided USB-C cable to the headlamp and a compatible USB power source (e.g., wall adapter, power bank, computer USB port).

• Charging Indicator: A small LED indicator near the charging port will show the charging status.
  • Red Light: Charging in progress.
  • Green Light: Charging complete.

Figure 4: Built-in USB-C Charging Port. This image shows the location of the hidden USB-C port and the protective cap, along with the charging indicator lights (red for charging, green for full).

6.5. Power Indicator (D25LR)

The D25LR model includes a thoughtful power indicator to remind you when to recharge the battery. The indicator light will change color based on the battery level.

• Green: Sufficient power.
• Red: Low power, recharge soon.

Figure 5: Versatile Applications. This image demonstrates various uses for the headlamps, including automotive repair, camping, and night activities, showcasing both white and red light in action.

7. Maintenance

• Cleaning: Wipe the headlamp body with a soft, damp cloth. Do not use abrasive cleaners or solvents.
• Battery Care:
  • Recharge the battery regularly, even if not in frequent use, to maintain battery health.
  • Store the headlamp with a partially charged battery if storing for long periods.
• Storage: Store the headlamp in a cool, dry place away from direct sunlight and extreme temperatures.

8. Troubleshooting

9. Warranty and Support

Sofirn products are manufactured to high-quality standards. For any issues or inquiries regarding your headlamp, please contact Sofirn customer support through the retailer where you purchased the product or visit the official Sofirn website for assistance. Please retain your proof of purchase for warranty claims.