1. Introduction
Thank you for choosing the NEWBOLER Bicycle Light Front. This high-performance bicycle light is designed to provide superior illumination and safety for your cycling adventures. Featuring a powerful battery, multiple lighting modes, and a durable waterproof design, it ensures you are visible and can see clearly in various conditions. This manual provides essential information for the proper setup, operation, and maintenance of your bicycle light.

2. Specifications
Please note that specifications may vary slightly between different models and variants (e.g., lig610, LIG008-8000mAh, EOS640).
| Feature | Specification |
|---|---|
| Brand | NEWBOLER |
| Model Number | lig610 / LIG008-8000mAh / EOS640 |
| Body Material | Aluminum alloy |
| Power Supply | Battery (21700 type) |
| Battery Capacity | Up to 8000mAh (varies by model) |
| Max Brightness | Up to 6000 Lumens (varies by model/mode) |
| Waterproof Level | IPX6 (general) / IPX5 (lig610) |
| Mounting Placement | Handlebar |
| Support Dimmer | 2 - 4 Files |
| Charging Type | USB (TYPE-C for lig610) |
| Voltage | 5V/2A (charging input) |
2.1 Model Specifics (lig610)
| Feature | Specification |
|---|---|
| LED | TG3 LED*3 |
| Lumens | 900 LM |
| Size | 91*41*30mm |
| Package Weight | 145g |
| Work Time | 2-3.5h |
| Lighting Mode | 5 modes |
| Irradiate Distance | 200m |
2.2 Model Specifics (LIG008-8000mAh)
| Feature | Specification |
|---|---|
| Lumens | Max 2600Lumen |
| Range | About 200-500M |
| Charging Time | About 9 hrs |
| Working Time | 2.5-7.5h |
| Power Bank Function | YES |

3. Package Contents
Ensure all items are present in the package:
- 1x NEWBOLER Bicycle Light Front Unit
- 2x Handlebar Holders
- 1x USB Charging Cable
- 1x OTG Connector (for power bank function)

4. Setup and Installation
Follow these steps to install your bicycle light on the handlebar:
- Attach the handlebar holder to your bicycle's handlebar. Use the provided screws to secure it firmly.
- Slide the bicycle light unit onto the installed holder until it clicks into place.
- Adjust the angle of the light to ensure optimal illumination of your path without dazzling oncoming traffic.
5. Operation
5.1 Power On/Off and Mode Switching
To turn the light ON or OFF, press and hold the power button. To cycle through the different lighting modes, short press the power button. The available modes typically include:
- Near light
- High beam bright
- Far and Near full light
- Flashing

5.2 Charging the Device
The bicycle light is equipped with a USB charging port. Connect the provided USB cable to the light and to a 5V/2A USB power source (e.g., computer, wall adapter). The charging indicator will show the charging status. Fast charging is not supported.
5.3 Power Bank Function
Your bicycle light can also function as a power bank to charge other devices. Use the provided OTG connector and a suitable cable to connect your phone or other USB-powered device to the light's output port.

6. Maintenance
6.1 Cleaning
Wipe the light with a soft, damp cloth to remove dirt and debris. Do not use harsh chemicals or abrasive cleaners, as they may damage the finish or internal components.
6.2 Waterproof Care
While the light is designed with daily rain protection and an aluminum alloy shell to resist harsh environments, it is important not to soak it in water or expose it to heavy rain for prolonged periods. Ensure the USB port cover is securely closed when not charging to maintain water resistance.

7. Troubleshooting
7.1 Light Dimming Automatically
If the internal temperature of the bicycle light reaches 65℃, the lumen output will automatically decrease. This is a normal protective mechanism to prevent the battery from overheating and being damaged. Due to the high lumen output of this bicycle lamp, maintaining maximum brightness for a long time can lead to high temperatures. Allow the light to cool down, and the brightness will return to normal.
8. User Tips
- Always use a 5V/2A charger for optimal and safe charging. Fast charging is not supported and may damage the battery.
- When installing, ensure the light is angled downwards slightly to prevent dazzling oncoming pedestrians or cyclists.
- Regularly check the battery level, especially before long rides, to avoid unexpected power loss.
9. Safety Information
- Do not look directly into the beam or shine it into the eyes of others, as this can cause temporary vision impairment or damage.
- Keep the device away from children.
- Do not disassemble or attempt to repair the light yourself. Contact customer support if issues arise.
- Avoid exposing the light to extreme temperatures or direct sunlight for extended periods.
10. Warranty and Support
For detailed warranty information and customer support, please refer to the official product documentation or contact the seller directly. Additional item guides and documents, including a PDF user manual, may be available at this link.