1. Introduction
Thank you for choosing the Klarus CL5 High-Output Micro Flood Lamp. This compact and versatile lantern is designed for various applications, from camping and outdoor activities to maintenance work. Featuring a powerful 650-lumen output, multiple lighting modes, and a robust design, the CL5 is built to provide reliable illumination wherever you need it. Please read this manual carefully before use to ensure proper operation and to maximize the product's lifespan.
2. Package Contents
Upon opening your Klarus CL5 package, please verify that all items listed below are present and in good condition:
- Klarus CL5 Micro Flood Lamp
- User Manual
- Carabiner Hook
- USB-C Charging Cable

3. Setup and Charging
3.1 Initial Charge
Before first use, it is recommended to fully charge the Klarus CL5. The device features fast USB-C charging and can be fully charged in approximately 1.7 hours.
- Locate the USB-C charging port on the device.
- Connect the provided USB-C cable to the CL5 and plug the other end into a compatible USB power source (e.g., wall adapter, power bank, computer USB port).
- Monitor the charging indicator lights to determine the battery status:
| Indicator Pattern | Battery Level |
|---|---|
| 1 flashing light | Below 25% |
| 1 on, 2nd flashing | 25% - 50% |
| 2 on, 3rd flashing | 50% - 75% |
| 3 on, 4th flashing | 75% - 100% |
| 4 on | 100% Charged |

3.2 Mounting Options
The Klarus CL5 offers multiple ways to position and mount the light for optimal flexibility:
- Stands: The integrated stand allows the CL5 to be placed on flat surfaces.
- Magnetic: A strong magnetic base enables attachment to metallic surfaces.
- Hooks: Use the included carabiner hook to hang the CL5 from tents, backpacks, or other suitable points.

4. Operating Instructions
The CL5 features a dual-switch design for intuitive control over brightness and color temperature.

4.1 Power On/Off and Brightness Control
One switch controls the brightness levels (High, Medium, Low, Turbo). Press and hold to turn on/off, and short press to cycle through brightness modes.
4.2 Color Temperature Adjustment
The second switch allows you to select from four different color temperatures:
- Warm (2700K)
- Warm White (3500K)
- White (4500K)
- Cool White (6500K)

4.3 Special Modes
- Red Light: Useful for reading in low light conditions or as a mosquito repeller.
- Red Flash: Provides a safety warning signal.
- SOS: Emits an international distress signal for rescue situations.
- Sleep-Aid Breathing Light: A warm temperature color with a gentle, 20-minute drift-off pattern designed to aid sleep.


4.4 Adjustable Beam
The CL5 features a 180° rotatable beam, allowing you to direct the light precisely where needed. This makes it ideal for versatile area lighting, mechanical maintenance, or repair tasks.
5. Maintenance
5.1 Cleaning
To maintain optimal performance, keep the CL5 clean. Wipe the body with a soft, damp cloth. Avoid using abrasive cleaners or solvents that could damage the finish or internal components.
5.2 Waterproofing
The CL5 has an IPX5 waterproof rating, meaning it can withstand rain, water splashes, or damp conditions. However, it is not designed for submersion in water. Ensure the USB-C port cover is securely closed to maintain water resistance.
5.3 Storage
Store the CL5 in a cool, dry place when not in use. If storing for an extended period, charge the battery to approximately 50% every few months to preserve battery health.
6. Troubleshooting
6.1 Light Not Turning On
- Check battery level: Ensure the CL5 is sufficiently charged. Refer to Section 3.1 for charging instructions.
- Ensure the power button is pressed correctly.
6.2 Charging Issues
- Verify the USB-C cable is securely connected to both the CL5 and the power source.
- Try a different USB-C cable or power adapter to rule out faulty accessories.
- Ensure the charging port is free of debris.
6.3 Inconsistent Light Output
- Low battery can affect light output. Recharge the device.
- Ensure the lens is clean and free from obstructions.
7. Specifications
| Feature | Detail |
|---|---|
| Product Model | CL5 |
| Maximum Brightness | 650 Lumens (Turbo Output) |
| Battery Capacity | 1200mAh |
| Maximum Runtime | 15.5 - 16 hours (extended) |
| Charging Time | 1.7 Hours |
| Input Voltage | 3.2-4.2V |
| Charging Current | 1A (Max) |
| Dimensions | 54mm × 60mm × 30mm |
| Weight | 74 ± 2g |
| Waterproof Rating | IPX5 |
| Light Source | LED bulbs |
| Switch Mode | High/Middle/Low |
| Focal Length | Non-adjustable |
| Certification | CCC, pse |
| Beam Distance | 32m |
| Drop Resistance | 1m |






8. Warranty and Support
8.1 Warranty Information
The Klarus CL5 Micro Flood Lamp comes with a 1-year warranty from the date of purchase, covering manufacturing defects. Please retain your proof of purchase for warranty claims. The warranty does not cover damage caused by misuse, unauthorized modifications, or normal wear and tear.
8.2 Customer Support
For technical assistance, warranty claims, or any questions regarding your Klarus CL5, please contact your retailer or the official Klarus customer support. Contact details can typically be found on the Klarus official website or your purchase documentation.
9. User Tips
- Versatile Placement: Utilize the magnetic base and carabiner hook to position the light creatively in various scenarios, such as under a car hood for repairs or inside a tent for overhead lighting.
- Optimize Runtime: For longer battery life, use lower brightness settings or the sleep-aid breathing light mode when maximum illumination is not required.
- Emergency Preparedness: Keep the CL5 charged and accessible for emergency situations, leveraging its red light and SOS modes for signaling.
- Eye Comfort: Take advantage of the flicker-free design and adjustable color temperatures to reduce eye strain during prolonged use, especially when reading or working.