1. Introduction
The OLIGHT RN 800 is a high-performance rechargeable bike headlight designed for road and urban cyclists. It delivers a maximum output of 800 lumens, ensuring excellent visibility and safety during your rides. Featuring a durable aluminum body and IPX6 waterproofing, this light is built to withstand various weather conditions.
Key features include an anti-glare lens design to prevent dazzling oncoming traffic, USB-C charging and discharging capabilities, and multiple lighting modes to suit different scenarios.
2. Important Safety Information
- Initial Use: Before first use, hold the power button for 3 seconds to unlock the bike light. The indicator will flash red and then turn green to confirm it is unlocked. If not unlocked, the light will not turn on.
- Anti-Glare Feature: The RN 800 features an anti-glare lens design with a safe cut-off line. This design helps reduce visual distractions for motorists, cyclists, and pedestrians, contributing to a safer riding experience. Ensure the light is mounted correctly to utilize this feature effectively.
- Water Resistance: The device has an IPX6 waterproof rating, meaning it is capable of withstanding water immersion up to 1 meter depth. It can be used normally in downpour conditions.
- Heat Dissipation: The aluminum alloy body is designed for efficient heat dissipation. Avoid covering the light head or placing it on flammable surfaces when operating at high brightness levels to prevent overheating.
3. Package Contents
Please check the box for the following items:
- OLIGHT RN 800 Bike Headlight
- Handlebar Mount
- USB Type-C Charging Cable
- 3mm Hex Key (for mount adjustment)
- User Manual

Image: All components included in the OLIGHT RN 800 package, including the light unit, handlebar mount, USB-C cable, and user manual.
4. Setup and Installation
The RN 800 features a Garmin mounting system for easy and secure attachment to your bike's handlebar.
- Attach the Mount: Secure the handlebar mount to your bike's handlebar using the provided rubber straps and 3mm hex key. Ensure it is tightened firmly and positioned centrally.
- Install the Light: Align the RN 800 light with the Garmin mount. Insert the light into the bracket parallel with the handlebar and then twist it 90 degrees until it locks securely into position.
- Adjust Angle: Adjust the angle of the light to ensure optimal illumination of the road ahead, keeping the anti-glare cut-off line effective.

Image: Step-by-step visual guide demonstrating the installation of the RN 800 bike light onto a handlebar mount.
5. Operating Instructions
5.1 Unlocking the Light
For safety during shipping, the RN 800 is shipped in a locked state. To unlock and activate the light:
- Press and hold the power button for 3 seconds.
- The indicator light will flash red and then turn green, indicating the light is now unlocked and ready for use.

Image: Visual representation of holding the button for 3 seconds to unlock the light, showing the indicator changing from red to green.
5.2 Power On/Off and Mode Switching
- Power On/Off: Press and hold the power button for approximately 1 second to turn the light on or off.
- Change Brightness (Low, Mid, High): With the light on, single-click the power button to cycle through Low, Mid, and High brightness modes.
- Switch to Flash Modes (Flash 1, Flash 2): Double-click the power button to switch between constant brightness modes and flash modes. Single-click to cycle between Flash 1 and Flash 2.
5.3 Battery Indicator
The power button also serves as a battery level indicator:
- Green: 21% - 100% battery remaining
- Red: 11% - 20% battery remaining
- Flashing Red: 1% - 10% battery remaining

Image: Diagram showing the different colors of the power button indicator and their corresponding battery levels.
6. Charging and Power Bank Function
The RN 800 features a convenient USB-C port for both charging the device and acting as a power bank for other devices.
- Charging the Light: Connect the provided USB-C cable to the charging port on the RN 800 and to a USB power source. The indicator light will show charging status.
- Power Bank Function: The USB-C port supports large current discharging, allowing you to charge devices such as phones or computers using the RN 800's internal battery.

Image: The RN 800 connected via USB-C, demonstrating its charging capability for itself and its function as a power bank for other devices like a smartphone or laptop.
7. Modes and Performance
The RN 800 offers five distinct lighting modes to adapt to various riding conditions:
| Mode | Lumens | Runtime |
|---|---|---|
| Low | 200 | 8h 00min |
| Mid | 400 | 4h 00min |
| High | 800 | 2h 00min |
| Flash 1 | 0-400 | 9h 00min |
| Flash 2 | 0-700 | 7h 00min |
All performance measurements are in accordance with ANSI/NEMA FL1-2009 standards. Tests are performed using the battery included in the bicycle light, and are measured indoors under a room temperature of 25 degrees Celsius with windless conditions. Runtime may vary depending on external temperature and ventilation conditions.

Image: Visual table detailing the RN 800's output modes, corresponding lumens, and battery runtimes.
8. Maintenance
- Cleaning: Regularly clean the light's body and lens with a soft, damp cloth. Avoid using abrasive cleaners or solvents.
- Waterproofing: The RN 800 is IPX6 waterproof. Ensure the USB-C port cover is securely closed when not charging to maintain water resistance.
- Storage: Store the light in a cool, dry place when not in use for extended periods. Recharge the battery every 3-6 months to maintain battery health.
9. Troubleshooting
- Light Not Turning On: If the light does not turn on, ensure it is unlocked. Press and hold the power button for 3 seconds until the indicator turns green. Check battery level and charge if necessary.
- Dim Light Output: If the light output is dim, check the battery indicator. A red or flashing red light indicates low battery. Recharge the device fully.
- Mounting Issues: If the light feels loose on the handlebar, ensure the mount is correctly installed and tightened with the provided hex key.
10. Specifications
| Feature | Detail |
|---|---|
| Brand | OLIGHT |
| Model | RN 800 |
| Max Brightness | 800 Lumens |
| Max Throw | 137 meters |
| Power Source | Rechargeable Battery |
| Charging Port | USB Type-C (Charging & Discharging) |
| Water Resistance | IPX6 Waterproof |
| Material | Aluminum |
| Item Weight | 172 Grams (approx. 1.3 oz) |
| Mounting Type | Handlebar Mount (Garmin compatible) |
| Dimensions (LxWxH) | 4.21 x 1.22 x 1.22 inches |
11. Warranty and Support
The OLIGHT RN 800 comes with a Lifetime Warranty. For any support inquiries, troubleshooting assistance, or warranty claims, please contact OLIGHT customer service directly.
You can visit the official OLIGHT Store for more information and support resources: OLIGHT Store
12. Product Videos
OLIGHT RN 800 Bike Light Demonstration
Video: A short demonstration of the OLIGHT RN 800 bike light, showcasing its features and brightness in various settings.





