Sofirn H25LR LED Headlamp User Manual

Introduction

The Sofirn H25LR is a versatile and powerful rechargeable headlamp designed for various outdoor and professional lighting needs. It features dual LED emitters: a high CRI white light for excellent color rendering and a 660nm deep red light to preserve night vision. With its durable aluminum alloy construction, IPX6 waterproof rating, and convenient USB-C charging, the H25LR is an ideal companion for camping, hiking, maintenance work, and other activities requiring hands-free illumination.

Figure 1: Sofirn H25LR Headlamp

Safety Information

• Do not shine the light directly into eyes.
• Keep out of reach of children.
• Use only the specified 18650 Lithium-Ion battery.
• Do not disassemble the headlamp, as this may damage the device and void the warranty.
• Avoid exposing the headlamp to extreme temperatures or direct sunlight for prolonged periods.

Package Contents

Upon opening your Sofirn H25LR package, please ensure all items are present:

• Sofirn H25LR Headlamp
• Adjustable Headband
• 1 x 18650 Lithium-Ion Battery
• USB-C Charging Cable
• User Manual (this document)

Product Overview

The H25LR headlamp features a robust design with key components for optimal performance.

Figure 2: H25LR Component Diagram

• White 5000K LED: High CRI emitter for natural and comfortable white light.
• SST20 Deep Red LED: 660nm red light for preserving night vision.
• Tough Aluminum Shell: Durable and impact-resistant housing.
• Power Button: Single button for all operations.
• USB-C Charging Port: Built-in port for convenient recharging, protected by a cap.
• Adjustable & Comfortable Nylon Band: Elastic headband for secure and comfortable wear.
• 180° Adjustment Angle: Allows for flexible beam direction.
• Impact Resistant Tempered Glass: Protects the LED emitters.

Figure 3: White and Red LED Emitters

Setup

1. Battery Installation

The Sofirn H25LR uses a removable 18650 Lithium-Ion battery. To install or replace the battery:

1. Unscrew the tail cap of the headlamp.
2. Insert the 18650 battery with the positive (+) end facing towards the head of the lamp.
3. Screw the tail cap back on securely.

2. Charging

The H25LR features a built-in USB-C charging port for convenience.

1. Locate the USB-C charging port on the side of the headlamp, usually protected by a rubber cap.
2. Gently lift the protective cap.
3. Connect the provided USB-C cable to the headlamp and plug the other end into a USB power source (e.g., wall adapter, power bank, computer).
4. The power indicator will show red while charging and turn green when fully charged. Charging typically takes 4-6 hours.
5. Once charging is complete, securely close the protective cap to maintain the headlamp's waterproof rating.

Figure 4: USB-C Charging Port and Indicator

3. Wearing the Headlamp

The H25LR comes with an adjustable and comfortable nylon headband.

1. Place the headlamp on your head or a helmet.
2. Adjust the elastic headband for a snug and comfortable fit.
3. The headlamp unit can be adjusted up to 180 degrees vertically to direct the light beam as needed.

Figure 5: Wearing and Adjusting the Headlamp

Operation

The Sofirn H25LR uses a single power button for all functions.

White Light Operation

• Turn On/Off: From OFF, a single click turns on the white light. From ON, a single click turns off the light.
• Change Brightness Modes: While the white light is ON, press and hold the power button to cycle through the modes: Moon (1LM) → Low (35LM) → Medium (230LM) → High (500LM). Release the button to select the desired mode.

Red Light Operation

• Turn On: From OFF, press and hold the power button to turn on the red light.
• Change Brightness Modes: While the red light is ON, press and hold the power button to cycle through the modes: Moon (0.1%) → Low (10%) → Medium (50%) → High (100%). Release the button to select the desired mode.
• Turn Off: From ON, a single click turns off the red light.

Figure 6: White and Red Light Modes

Angle Adjustment

The headlamp unit can be tilted up to 180 degrees to adjust the beam angle, providing optimal illumination for various tasks and activities.

Figure 7: 180-Degree Angle Adjustment

Maintenance

Cleaning

• Wipe the headlamp with a clean, soft cloth.
• Do not use abrasive cleaners or solvents.
• Clean the threads and O-rings regularly and lubricate with silicone grease to maintain waterproofing.

Battery Care

• Charge the battery fully before first use.
• Recharge the battery when the power indicator shows low battery.
• If storing the headlamp for an extended period, remove the battery and store it separately in a cool, dry place.

Waterproofing (IPX6)

The H25LR is rated IPX6 waterproof, meaning it is protected against strong jets of water. This makes it suitable for use in rainy conditions.

Figure 8: IPX6 Waterproof Feature

Troubleshooting

• Headlamp not turning on: Ensure the battery is correctly inserted with the positive end facing forward. Check if the battery is charged.
• Light is dim or flickering: Recharge the battery. Clean battery contacts and threads.
• Headlamp not charging: Ensure the USB-C cable is properly connected to both the headlamp and the power source. Check if the power source is active.
• Red light not activating: Ensure the headlamp is OFF, then press and hold the power button to activate the red light mode.

Specifications

User Tips

• Mode Memory: The headlamp typically remembers the last used brightness mode for both white and red light, allowing you to quickly return to your preferred setting.
• Battery Swapping: The 18650 battery is removable, making it convenient to swap out a depleted battery for a fresh one if you need extended runtime without waiting for a recharge.
• Red Light for Night Vision: Utilize the 660nm deep red light when you need illumination without compromising your natural night vision, ideal for stargazing, hunting, or discreet movement.
• Versatile Use: The 180-degree adjustable angle and comfortable headband make this headlamp suitable for a wide range of activities, from intricate repair work to outdoor adventures.

Figure 9: H25LR in Various Applications

Figure 10: 660nm Red Light in Use

Warranty and Support

Sofirn products are manufactured to high-quality standards. For warranty claims, technical support, or any questions regarding your H25LR headlamp, please contact Sofirn customer service through their official channels. Keep your purchase receipt as proof of purchase.