‎soonfire ‎FD39 USB Rechargeable Bike Headlight User Manual

‎soonfire ‎FD39 USB Rechargeable Bike Headlight

Launch Date: March 13, 2023
Price: $39.99

Introduction

Cycling enthusiasts need the Soonfire FD39 USB Rechargeable Bike Headlight for reliable, high-performance lighting. This 1800-lumen lamp provides exceptional nighttime and low-light visibility. With its IPX6 waterproof rating, this aluminum alloy device can survive harsh terrain and weather. Five lighting modes on the FD39 suit diverse riding conditions and tastes. Its USB rechargeable battery provides 15 hours of continuous illumination, making it practical and eco-friendly. This lamp is practical and easy to install with a sturdy handlebar mount. The Soonfire FD39 illuminates and protects city commuters and off-road riders. This bike light shows Soonfire’s dedication to cycling accessory quality and innovation.

Specifications

• Color: Black
• Brand: Soonfire
• Material: Aluminum
• Power Source: Battery Powered
• Water Resistance Level: Waterproof
• Item Weight: 253 Grams
• Mounting Type: Handlebar Mount
• Number of Settings: 3
• Brightness: 2530 Lumens
• Auto Part Position: Front
• International Protection Rating: IPX8
• Style: Hiking

Package Includes

• 1 x Soonfire FD39 USB Rechargeable Bike Headlight
• 1 x USB Charging Cable
• 1 x Handlebar Mount
• 1 x User Manual
• 1 x Warranty Card

Features

• High Brightness: The FD39 emits up to 1800 lumens, ensuring excellent visibility on the road. This high-lumen output makes it perfect for both urban and rural settings, providing a clear view of the path ahead.
• Multiple Modes: Offers five lighting modes to adapt to various riding conditions and preferences. These include High, Medium, Low, Strobe, and SOS modes, allowing cyclists to choose the best setting for their environment.
• Durable Construction: Made from high-quality aluminum alloy, the FD39 is built to last. Its robust construction ensures longevity and resistance to impacts, making it suitable for rough and challenging terrains.
• Waterproof: With an IPX6 rating, this bike light performs well in rain and splashes. Cyclists can ride confidently in various weather conditions without worrying about water damage.
• USB Rechargeable: The FD39 features convenient USB charging, eliminating the need for frequent battery replacements. Cyclists can easily recharge the light using any USB power source.
• Long Battery Life: Depending on the mode used, the headlight can last up to 15 hours on a single charge. This long battery life ensures extended use, even on long rides.
• Easy Installation: The headlight comes with a quick and secure handlebar mount for easy attachment and removal. No tools are required, making installation and disassembly a breeze.
• USB C Charge with Long Run Time: Designed to meet the demands of long rides, the FD39 offers a maximum runtime of 60 hours or greater than 600km on a single charge. It is guaranteed to work rain or shine, ensuring reliability in all conditions.
• Quick Assembly and Disassembly: The light can be assembled and disassembled in just a few seconds without any tools. Its IPX8-rated water-resistant design makes it suitable for use in heavy rain. Additionally, it features a reserved M6 screw hole compatible with Gogro.
• Portable Appearance Design: The bike light boasts a sleek and portable design with two-vision bike headlights. Its 2530-lumen (max) LED provides bright illumination over the length of about two football fields, reaching nearly 580 feet.
• Easy to Operate: The FD39 is designed with 5 brightness settings and strobe/SOS/Lockout (Beacon Mode). Its IPX8-rated water-resistant aluminum body ensures extreme durability and indestructibility, even on the toughest terrains.
• Applicable for Handlebar Size: The bike light set is adjustable in size, suitable for most bicycles with handlebar sizes ranging from 22-35mm. It is ideal for a wide range of activities, including road biking, mountain biking, MTB light, or light for bikes at night.

How to Charge

• Red – while charging
• Blue – fully charged
• It will turn off automatically when charging.
• Press the switch for 2 seconds to turn on low modes.
• Charge at least once every 6 months.

Switch / Battery level indicator

• Blue – Saturated
• Red constant – Poor
• Red flashing – Needs Charging

ITS Smart Temperature Control System

• The brightness automatically decreases with time.
• High brightness mode has a limit of 3 minutes.
• The usage time varies depending on the battery capacity

Lock/Unlock /(Beacon Mode)

• When the flashlight is off, press and hold the side switch for 3 seconds to enter the firefly mode. (Beacon Mode)
• Under firefly mode, press and hold the side switch for 3 seconds to access the lockout mode.
• Under the lockout mode, Quickly click three times the switch to set “Unlocking”.
• Restore factory settings after charging.

Usage

• Press the switch for 0.5 seconds to turn it on: Set the switch to “low-middle-bright mode” brightness cycle
• Press the switch for 0.5 seconds to turn it off and memorize the last mode.
• Quickly double-click the switch to choose  “ultra-bright mode”
• Quickly double-click the switch again to set the “Strobe and SOS mode” mode Cycle, Press the switch exit flash mode.

Care and Maintenance

1. Regular Cleaning:
   • Wipe the headlight with a soft, damp cloth to remove dirt and grime.
   • Avoid using harsh chemicals or abrasive materials.
2. Battery Care:
   • Charge the battery regularly, even if the light is not in use, to maintain battery health.
   • Do not leave the battery fully discharged for extended periods.
3. Storage:
   • Store the headlight in a cool, dry place when not in use.
   • Avoid exposing the light to extreme temperatures for prolonged periods.

Troubleshooting

charged.
| The battery connection is loose| Check the battery connection and recharge if necessary.
Charging Issues| USB cable or power source is malfunctioning| Verify the USB cable and power source are functioning correctly.
| Charging port is dirty or damaged| Inspect the charging port for debris or damage.
Mode Switching Problems| The power button is stuck or damaged| Ensure the power button is not stuck or damaged.
| Software glitch| Reset the light by turning it off and on again.
Reduced Brightness| Battery is low| Check if the battery is low and recharge if needed.
| Lens is dirty| Clean the lens to ensure no dirt is obstructing the light output.
Intermittent Operation| Loose connections or internal issues| Ensure all connections are secure and contact support if necessary.
Short Battery Life| Overcharging or aging battery| Avoid overcharging and replace the battery if it is old.

Pros and Cons

Pros:

• Affordable : Priced at $39.99, this light offers excellent value for its performance.
• Durable : IP8-rated for water resistance and designed for durability.
• Adjustable : Suitable for various handlebar sizes and beam patterns.

Cons:

• Beam Spread : Some users may find the beam spread too narrow for their needs.
• Brightness : While powerful, some may desire even higher lumen output.

Customer Reviews

• Positive : “Well worth the money for the price!” – User review.
• Negative : “The beam spread could be wider.” – User review.

Contact Information

For any queries or issues, please contact Soonfire at support@soonfire.com.

Warranty

The Soonfire FD39 USB Rechargeable Bike Headlight comes with a 1-year limited warranty. For more details, please visit the manufacturer’s website.

FAQs

What is the maximum brightness level of the Soonfire FD39 USB Rechargeable Bike Headlight?

The Soonfire FD39 USB Rechargeable Bike Headlight has a maximum brightness level of 1800 lumens.

How many lighting modes does the Soonfire FD39 USB Rechargeable Bike Headlight offer?

The Soonfire FD39 USB Rechargeable Bike Headlight offers five lighting modes, including High, Medium, Low, Strobe, and SOS.

What material is the Soonfire FD39 USB Rechargeable Bike Headlight made from?

The Soonfire FD39 USB Rechargeable Bike Headlight is made from high-quality aluminum alloy.

How long can the battery of the Soonfire FD39 USB Rechargeable Bike Headlight last on a single charge?

The battery of the Soonfire FD39 USB Rechargeable Bike Headlight can last up to 15 hours on a single charge, depending on the mode used.

What is the weight of the Soonfire FD39 USB Rechargeable Bike Headlight?

The Soonfire FD39 USB Rechargeable Bike Headlight weighs 253 grams.

What type of mounting does the Soonfire FD39 USB Rechargeable Bike Headlight use?

The Soonfire FD39 USB Rechargeable Bike Headlight uses a handlebar mount for quick and secure attachment.

How far can the Soonfire FD39 USB Rechargeable Bike Headlight illuminate?

The Soonfire FD39 USB Rechargeable Bike Headlight can illuminate up to 580 feet, providing excellent visibility.

How many brightness settings does the Soonfire FD39 USB Rechargeable Bike Headlight have?

The Soonfire FD39 USB Rechargeable Bike Headlight has 5 brightness settings.

What is the maximum runtime of the Soonfire FD39 USB Rechargeable Bike Headlight on a single charge?

The Soonfire FD39 USB Rechargeable Bike Headlight can run for up to 60 hours on a single charge in its lowest mode.

What handlebar sizes is the Soonfire FD39 USB Rechargeable Bike Headlight compatible with?

The Soonfire FD39 USB Rechargeable Bike Headlight is compatible with handlebar sizes ranging from 22-35mm.

What makes the Soonfire FD39 USB Rechargeable Bike Headlight durable for tough terrains?

The Soonfire FD39 USB Rechargeable Bike Headlight's aluminum body and IPX8 water resistance rating ensure its durability and indestructibility on tough terrains.

Download this Manual

‎soonfire ‎FD39 USB Rechargeable Bike Headlight User Manual

Reference Link

DLYFULL B2 Battery Tester LCD User Manual- Device.report

Read User Manual Online (PDF format)

Read User Manual Online (PDF format)  >>

Download This Manual (PDF format)

Download this manual  >>