Blukar K9137
Blukar 2000L Rechargeable Flashlight User Manual
Model: K9137
Introduction
Thank you for choosing the Blukar 2000L Rechargeable Flashlight. This manual provides essential information for the safe and efficient operation, maintenance, and troubleshooting of your new flashlight. Please read it thoroughly before use and retain it for future reference.
Product Features
- Ultra Powerful LED Illumination: Equipped with advanced chips and high-quality LED lamp beads, this flashlight produces a high-brightness, uniform beam suitable for wide-range and long-distance lighting, providing clear and sufficient light in dark environments.
- Versatile Lighting Modes & Zoomable Design: Features 5 lighting modes: High, Medium, Low, Strobe, and SOS. All modes are controlled with a single button. A long press of the switch for 3 seconds in any mode turns off the light without cycling through all modes. The adjustable focus function allows seamless switching between floodlight for wide area illumination and spotlight for concentrated long-distance beams.
- USB-C Rechargeable with Battery Indicator: Conveniently charges via a USB-C port (cable included). Four thoughtful battery indicator lights display the power level in real-time, preventing unexpected power depletion.
- Durable & IPX6 Waterproof Construction: The flashlight shell is crafted from high-quality aluminum alloy, ensuring excellent hardness, wear resistance, and drop resistance. Its IPX6 waterproof rating allows for safe use in rainy or snowy conditions, both indoors and outdoors.
- Portable & Multi-purpose: Its compact design makes it easy to hold and carry, fitting conveniently into pockets, backpacks, or survival kits. It is suitable for various activities including walking, hiking, fishing, dog walking, running, camping, home maintenance, and emergency situations.

Image: The Blukar flashlight demonstrating its super bright beam, reaching up to 590 feet.

Image: Visual representation of the flashlight's adjustable focus, showing both spotlight and floodlight capabilities.

Image: Illustration of the five distinct lighting modes available on the flashlight.

Image: The flashlight connected to a USB-C charger, highlighting its rechargeable feature and battery level indicators.

Image: The flashlight in various wet conditions, showcasing its IPX6 waterproof capability.

Image: The compact size of the flashlight compared to a smartphone, emphasizing its portability.

Image: An exploded diagram detailing the internal and external components of the flashlight.

Image: Examples of the flashlight's versatile applications in different scenarios.
Package Contents
The Blukar 2000L Rechargeable Flashlight package includes:
- 1 x Blukar 2000L Rechargeable Flashlight
- 1 x USB-C Charging Cable
Setup
Initial Charging
Before first use, fully charge the flashlight. Connect the included USB-C cable to the flashlight's charging port and plug the other end into a compatible USB power source (e.g., computer, wall adapter, power bank). The battery indicator lights will illuminate to show charging progress.
Battery Indicator
The four blue indicator lights near the power button show the battery charge level:
- 1 light: 0-25% charge
- 2 lights: 25-50% charge
- 3 lights: 50-75% charge
- 4 lights: 75-100% charge
All four lights will be solid when fully charged.
Operating Instructions
Power On/Off
- Press the power button once to turn the flashlight on.
- To turn off the flashlight from any mode, press and hold the power button for 3 seconds.
Changing Light Modes
With the flashlight on, press the power button repeatedly to cycle through the 5 lighting modes in the following order:
- High Brightness
- Medium Brightness
- Low Brightness
- Strobe (flashing light)
- SOS (Morse code for distress)
Memory Function
The flashlight features a memory function. If you turn off the light by long-pressing the button, it will automatically return to the previously used light mode when turned on again.
Zoom Function
To adjust the beam focus, gently pull the head of the flashlight outwards for a concentrated spotlight beam (zoom in) or push it inwards for a wider floodlight beam (zoom out). This allows you to adapt the light to various distances and coverage needs.
Video: A demonstration of the Blukar flashlight's features, including brightness, adjustable focus, and various lighting modes. This video is provided by the seller to showcase product functionality.
Maintenance
Cleaning
- Wipe the flashlight body with a soft, damp cloth.
- Do not use abrasive cleaners or solvents.
- Keep the lens clean for optimal light output. Use a lens cleaning cloth if necessary.
Storage
- Store the flashlight in a cool, dry place away from direct sunlight and extreme temperatures.
- If storing for an extended period, charge the battery to approximately 50% every 3-6 months to prolong battery life.
Battery Care
- Avoid fully discharging the battery frequently.
- Use only the provided USB-C cable or a certified equivalent for charging.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Flashlight does not turn on. | Low battery. | Charge the flashlight fully. |
| Power button malfunction. | Ensure the button is pressed firmly. If issue persists, contact support. | |
| Light is dim or flickers. | Low battery. | Recharge the flashlight. |
| Dirty lens. | Clean the lens with a soft cloth. | |
| Flashlight not charging. | Cable or power source issue. | Try a different USB-C cable or power adapter. Ensure the cable is fully inserted. |
| Charging port obstruction. | Check the charging port for debris and carefully remove if found. |
Specifications
| Feature | Detail |
|---|---|
| Brand | Blukar |
| Model Number | K9137 |
| Light Source Type | LED |
| Brightness | 2000 Lumens |
| Power Source | Battery Powered (Lithium Ion) |
| Battery Capacity | 1800mAh (approximate, inferred from runtime) |
| Runtime | Up to 17 hours |
| Charging Time | Approx. 3 hours (inferred from video) |
| Charging Port | USB-C |
| Material | Aluminum Alloy |
| Water Resistance Level | IPX6 |
| Product Dimensions | 5.75"D x 1.26"W x 1.18"H (14.6cm x 3.2cm x 3.0cm) |
| Item Weight | 135 Grams (4.8 ounces) |
| Special Features | Lightweight, Rechargeable, Zoomable, 5 Light Modes, Battery Indicator |
Warranty and Support
Warranty Information
This product comes with a standard limited warranty. Please refer to the product packaging or the retailer's website for specific warranty terms and conditions.
Customer Support
For any questions, technical assistance, or warranty claims, please contact Blukar customer support through the retailer's platform or visit the official Blukar store page:
Ask a question about this manual
Ask about setup, troubleshooting, compatibility, parts, safety, or missing instructions. Manuals+ will review the question and use this page’s manual context to help answer it.




