1. Introduction
Thank you for choosing the NEWBOLER Bicycle Headlight. This manual provides essential information for the safe and effective use, installation, and maintenance of your new bicycle light. Please read it thoroughly before use and keep it for future reference.

Figure 1: NEWBOLER Bicycle Headlight (Model LIG014)
2. Safety Warnings
- Please use a 5V/2A charger. Fast charging is not supported and may damage the device or battery.
- Do not look directly into the light beam or shine it into the eyes of others, as this may cause temporary vision impairment.
- The device has an IPX5 waterproof rating, meaning it is protected against low-pressure water jets from any direction. However, it is not 100% waterproof for prolonged submersion or heavy rain. To protect the battery life, prolonged use in heavy rain is not recommended.

Figure 2: IPX5 Waterproof and Dustproof Features. This image highlights the light's robust construction and its resistance to water and dust.
3. Package Contents
Please check the package to ensure all items are present:
- NEWBOLER Bicycle Headlight
- Handlebar Mounting Bracket(s)
- USB Charging Cable
- Adapter (for charging mobile phones, if applicable to your model)
- Spacers and Screws for installation
Video 1: Product 360° Exhibition and Accessories Show. This video demonstrates the product from all angles and displays the included accessories such as the light, charging cable, and mounting brackets.
4. Setup and Installation
Follow these steps to install the bicycle headlight on your handlebar:
- Step 1: Position the Base
Place the mounting bracket base over your bicycle handlebar. Use appropriate spacers if needed to ensure a snug fit. - Step 2: Secure the Base
Adjust the position of the base and tighten the base screws firmly to secure it to the handlebar. - Step 3: Complete Bracket Installation
Ensure the bracket is securely installed and does not shift when shaken vigorously. - Step 4: Attach the Light
Push the bicycle light into place on the installed base. Tighten any additional screws or mechanisms to fix the light securely.

Figure 3: Bracket Installation Steps. This image illustrates the four steps for securely mounting the headlight to your bicycle's handlebar.
5. Operating Instructions
5.1 Power On/Off and Mode Selection
The headlight features multiple lighting modes for various riding conditions. The exact number of modes may vary by model (e.g., 4 or 5 modes).
- Power On/Off: Press and hold the power button (usually marked with a power symbol) to turn the light on or off.
- Mode Cycling: Once powered on, short press the power button to cycle through the available lighting modes. Common modes include:
- Near light (Floodlight)
- Far light (Spotlight)
- Far and Near full light (High Light)
- Flashing (Strobe)
- Daytime Running Light (Long press to activate on some models like LIG610)

Figure 4: Lighting Modes and Runtimes. This image details the different light modes and their approximate battery durations.

Figure 5: Wide Illumination. This image illustrates the wide beam angle designed to illuminate the path without blinding others.
5.2 Digital Display
The headlight features a digital display to show battery status and other information:
- Battery Percentage: Displays the current battery charge from 1% to 100%.
- Power % / Recharge %: May show the current power output or the recharge progress (0-100) when charging.
- Runtime Estimates: Some displays may show estimated remaining runtime for the active lighting mode.

Figure 6: Digital Display Function. This image shows the battery and power display, along with mode-specific runtime estimates.
5.3 Charging the Headlight
Use the provided USB charging cable to charge the headlight. Connect the USB cable to a 5V/2A power source (e.g., a computer USB port, wall adapter, or power bank).
- The digital display will indicate charging progress.
- Charging time varies by model and battery capacity (e.g., approximately 3-4 hours for 2000mAh models).

Figure 7: Rechargeable Battery Information. This image illustrates the battery type and expected endurance for various modes.
5.4 Reverse Charging (Power Bank Function)
Some models (e.g., LIG008-4000mAh and 'Grande' model from PDF) support reverse charging, allowing the headlight to function as a power bank to charge other devices like mobile phones.
- To use this feature, connect the provided adapter (if included) to the headlight's USB output port, then connect your mobile phone's charging cable to the adapter.
- The headlight's battery will be used to charge your device. Monitor the battery level to ensure sufficient power for your ride.
Video 2: Charging Function Demonstration. This video shows how to use the headlight to charge a mobile phone using an adapter.
6. Maintenance
- Cleaning: Wipe the light body with a soft, damp cloth. Do not use abrasive cleaners or solvents.
- Storage: Store the light in a cool, dry place when not in use. If storing for extended periods, charge the battery to about 50-70% every 3-6 months to prolong battery life.
- Water Exposure: While IPX5 rated, avoid prolonged exposure to heavy rain or submersion in water. Ensure the USB port rubber ring is properly sealed after charging or using the power bank function.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Light does not turn on. | Battery is depleted. | Charge the light using the provided USB cable and a 5V/2A charger. |
| Light flickers or is dim. | Low battery. | Recharge the battery. |
| Cannot change modes. | Button malfunction or temporary software glitch. | Ensure the light is fully charged. Try turning the light off and on again. If the issue persists, contact customer support. |
| Digital display is not working. | Battery too low or internal fault. | Charge the light. If the display remains off after charging, contact customer support. |
8. Specifications
Please note that specifications may vary slightly between different models (e.g., LIG013, LIG610, LIG008) and battery capacities. The following are general specifications for the NEWBOLER Bicycle Headlight series, with a focus on the LIG014 model (which aligns with LIG013-2000mAh for 3000 Lumen output).
| Feature | Specification |
|---|---|
| Brand Name | NEWBOLER |
| Model Number | LIG014 (refer to specific model for variations) |
| Type | HEADLIGHTS |
| Power Supply | Battery (Rechargeable 18650 cells) |
| Mounting Placement | Handlebar |
| Body Material | Aluminum alloy (Military Grade) |
| Waterproof Level | IPX5 (Protected against low-pressure water jets) |
| Lumen Output | Up to 3000 Lumen (depending on model) |
| Battery Capacity | 2000mAh - 10000mAh (depending on model) |
| Charging Time | Approx. 3-9 hours (5V/2A input, varies by model) |
| Working Time | Approx. 1.5-7.5 hours (varies by mode and model) |
| Support Dimmer | 2 - 4 Files (modes) |
| Intelligent Sensing | No |
| Reverse Charge (Power Bank) | Supported on some models (e.g., 4000mAh and 10000mAh versions) |
| Certification | CE |
| Product Dimensions (L x W x H) | Varies by model:
|
| Package Weight | 0.279 kg |

Figure 8: Lamp Bead Comparison. This image compares the light output of different lamp bead configurations.

Figure 9: Military Grade Aluminum Alloy. This image highlights the durable construction material of the headlight.
9. User Tips
- For optimal visibility and safety, always use the appropriate light mode for your riding conditions (e.g., high beam for unlit roads, flash for daytime visibility).
- Regularly check the battery level, especially before long rides, to avoid running out of light unexpectedly.
- Ensure the mounting bracket is always securely fastened to prevent the light from falling off during rides.
- If your model supports reverse charging, consider carrying a short charging cable for your phone for emergencies.
10. Warranty and Support
For warranty information, technical support, or any product-related inquiries, please contact the NEWBOLER Official Store directly through the platform where you purchased the product. Keep your purchase receipt as proof of purchase.
A PDF user manual is also available for download. Reference: User manual (PDF)





