1. Introduction
Thank you for choosing the Magicshine MJ 902S Front Bike Light. This high-performance light is designed to provide superior illumination for various cycling activities, including mountain biking and road cycling. Please read this manual thoroughly before use to ensure proper operation and safety.
2. Package Contents
The Magicshine MJ 902S package includes the following items:
- MJ-902S Light Head x1
- MJ-6116C Battery Pack x1
- Battery Straps x2
- Handlebar Mount (Compatible with Garmin) x1
- Handlebar/Helmet Mount Adapter (Compatible with GoPro) x1
- Silicone Straps for Handlebars (Ø23 to Ø41mm & Aero Bars) x4
- Micro USB Charging Cable x1
- Hex Key x1
- User Manual x1
3. Product Overview
The MJ 902S is engineered for optimal performance and durability. Key features include:
- Supreme Performance: Equipped with 2x latest generation CREE LEDs and a custom-engineered high transmittance optical lens, delivering up to 3,000 actual lumens.
- Max Cooling: Internal thermal protection and large area heat dissipation fins ensure sustained high output during extended rides.
- IPX6 Waterproof: Rugged design provides protection against strong water jets, suitable for use in rainy conditions.
- E-bike Compatibility: Designed to be compatible with mainstream E-bike brands (Brose, Bosch, Shimano, Yamaha, etc.). Light output automatically adjusts to input voltage (6V-12V DC).
- Smart Sensor: When connected to an E-bike, the light automatically switches between day and night modes based on ambient light levels.
- Safety Features: Includes an independent Daytime Running Light (DRL), side lighting, and vertical grating for enhanced rider visibility.
4. Setup & Installation
4.1 Mounting the Light Head
- Attach the handlebar mount to your bicycle handlebar using the appropriate silicone straps. The mount is compatible with Garmin quarter-turn style interfaces.
- Align the MJ 902S light head with the handlebar mount and twist it clockwise until it locks securely into place.
- Alternatively, use the provided adapter for helmet mounting or other compatible GoPro-style mounts.
4.2 Connecting the Battery Pack
- Secure the MJ-6116C battery pack to your bike frame using the provided battery straps. Ensure it is placed in a stable position away from moving parts.
- Connect the cable from the light head to the battery pack. Ensure the connection is firm.
- For E-bike integration, connect the light directly to your E-bike's power system (6V-12V DC) if supported. The smart sensor will then automatically manage day/night modes.
5. Operation
5.1 Power On/Off
- To turn the light ON: Long press the power button located on top of the light head. The light will activate in the last used mode (memory feature).
- To turn the light OFF: Long press the power button again.
5.2 Mode Selection
- With the light ON, single press the power button to cycle through constant brightness modes (Economical, Low, Mid, High).
- Double press the power button to switch between the two flash modes (Flash 1, Flash 2).
- The independent Daytime Running Light (DRL) mode can be accessed and provides 25 lumens for enhanced daytime visibility.
5.3 Smart Sensor (E-bike Mode)
When powered by an E-bike, the MJ 902S utilizes its smart sensor to automatically adjust light output based on ambient light conditions, switching between day and night modes without manual intervention.
5.4 Battery Indicator
The light head and battery pack feature easy-to-read battery indicators. Click the power button briefly to check the current battery level:
- Green: 100%-70%
- Blue: 70%-30%
- Red: 30%-10%
- Flashing Red: 10%-0%
5.5 Official Product Video: MJ 902S Operation
Video 5.1: This video demonstrates the basic operation of the Magicshine MJ 902S, including power on/off and cycling through different lighting modes.
6. Charging & Battery
The MJ-6116C battery pack is rechargeable via Micro USB. Ensure the battery is fully charged before your first ride.
- Connect the Micro USB charging cable to the battery pack's charging port and to a USB power source.
- The battery indicator will show charging status.
- The battery pack can also function as a power bank to charge other devices via its USB output port.
7. Maintenance
- Cleaning: Wipe the light head and battery pack with a soft, damp cloth. Do not use abrasive cleaners or solvents.
- Storage: Store the light and battery in a cool, dry place when not in use. For long-term storage, charge the battery to approximately 50% every 3-6 months to prolong its lifespan.
- Battery Care: Avoid fully discharging the battery frequently. Charge it regularly to maintain optimal performance.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Light does not turn on | Low battery; Loose connection; Faulty switch | Charge battery; Check cable connections; Contact support if switch is unresponsive. |
| Light output is dim | Low battery; Lens is dirty | Charge battery; Clean the lens with a soft cloth. |
| Battery not charging | Faulty cable; Faulty power source; Battery issue | Try a different USB cable and power adapter; Contact support if issue persists. |
| Light overheats | Operating in high mode for extended periods without sufficient airflow | The light has internal thermal protection and will automatically reduce output. Ensure adequate airflow during use. |
9. Specifications
| Feature | Detail |
|---|---|
| Max Output | 3,000 Lumens |
| Max Run Time | 42 Hours (DRL mode) |
| Distance | 250 Meters |
| Beam Intensity | 9,100 CD |
| Waterproof Rating | IPX6 |
| Drop Test | 1 Meter |
| Weight | 78 g (light head only) |
| Dimensions | 45x33 mm (light head only) |
| Power Source | Battery Powered (MJ-6116C) / E-bike (6V-12V DC) |
| Material | Aluminum |
| Mounting Type | Handlebar Mount (Garmin compatible) |
| Number of Settings | 5 (Constant modes) + 2 (Flash modes) + DRL |
9.1 Output Modes and Run Times
| Mode | Brightness (Lumens) | Run Time (Approx.) |
|---|---|---|
| DRL | 25 | 42:00 |
| Economical | 250 | 20:00 |
| Low | 600 | 11:00 |
| Mid | 900 | 06:30 |
| High | 1500 | 03:00 |
| Flash 1 | 0-1500 | 08:00 |
| Flash 2 | 0-900 | 10:00 |
Note: Run times are approximate and may vary based on environmental conditions and battery age.
10. Warranty & Support
Magicshine offers a 12 Months Manufacturer's Warranty for the MJ 902S. If you encounter any quality issues or require assistance, please do not hesitate to contact us.
Contact Support: amazon@magicshine.com
