Introduction
This manual provides essential information for the safe and effective use of your NEBO Redline Flex 450 Lumen Flashlight. Please read these instructions thoroughly before operating the device and retain them for future reference.
The NEBO Redline Flex is a versatile, high-lumen flashlight designed for everyday carry (EDC) and tactical applications. It features Flex-Power Technology, allowing it to operate with either a rechargeable 14500 battery or a standard AA disposable battery. Its durable, water-resistant construction and multiple light modes make it suitable for various environments and tasks.
Product Overview
The NEBO Redline Flex is constructed from anodized aircraft-grade aluminum, ensuring durability and impact resistance. It includes a powerful magnetic base for hands-free operation and a dual-direction steel clip for secure attachment.


Setup
Battery Installation and Charging
Your Redline Flex flashlight is equipped with Flex-Power Technology, allowing it to use either the included 14500 rechargeable battery or a standard AA disposable battery.
- To install/replace batteries: Unscrew the tail cap of the flashlight. Insert the chosen battery (14500 rechargeable or 1 AA disposable) with the positive (+) end facing towards the head of the flashlight. Screw the tail cap back on securely.
- Charging the 14500 rechargeable battery: The flashlight includes a Micro-USB to USB charging cable. Locate the Micro-USB port on the flashlight body (often concealed under a rotating collar or rubber cover). Connect the Micro-USB end to the flashlight and the USB-A end to a compatible USB power source. The battery can be fully recharged in a few hours.

Operating Instructions
Power Button and Light Modes
The power button is located on the side of the flashlight. Press the button to cycle through the various light modes:
- High: Provides maximum illumination.
- Low: Offers extended battery life with reduced brightness.
- Turbo: Delivers an ultra-bright burst of light (available with 14500 rechargeable battery).
- Strobe: For signaling or disorienting.
The specific lumen output and runtimes for each mode depend on the battery type used (14500 rechargeable vs. AA disposable).
Adjustable Zoom
The Redline Flex features a 6x adjustable zoom. To adjust the beam from flood to spot, simply twist the head of the flashlight.
Hands-Free Operation
- Magnetic Base: Utilize the powerful magnetic base to attach the flashlight to metal surfaces for hands-free lighting.
- Steel Clip: The dual-direction steel clip allows for convenient carrying on a pocket, belt, or even attached to a hat brim for directional lighting.



Maintenance
- Cleaning: Wipe the flashlight with a clean, dry cloth. Do not use abrasive cleaners or solvents.
- Battery Care: For the 14500 rechargeable battery, ensure regular charging to maintain optimal performance. If using disposable AA batteries, replace them when the light output diminishes. Remove batteries if the flashlight will not be used for an extended period to prevent leakage.
- Water Resistance: The flashlight is water-resistant. Ensure all caps and covers are securely tightened before exposure to water. It is not designed for submersion.
Troubleshooting
- Light not turning on: Check battery installation and ensure batteries are charged or replaced.
- Dim light output: Recharge the 14500 battery or replace the AA battery.
- Inconsistent mode cycling: Ensure the power button is clean and free from debris.
Specifications
| Feature | Detail |
|---|---|
| Special Feature | Impact Resistant, Rechargeable |
| Power Source | Battery Powered |
| Light Source Type | LED |
| Material | Aluminum |
| Lumens (Rechargeable Battery) | 80 lm (Low), 250 lm (High), 450 lm (Turbo) |
| Lumens (AA Battery) | 30 – 90 lm (Low & High) |
| Product Dimensions | 4.23"D x 1.14"W x 4.7"H |
| Battery Cell Composition | Lithium Ion (for 14500) |
| Water Resistance Level | Water Resistant |
| Model Name | Nebo - NEB-FLT-0003 |
| UPC | 645397936244 |
Official Product Videos
NEBO Redline Flex Rechargeable Tactical Flashlight BRIGHT
Video 1: This video provides a detailed overview of the NEBO Redline Flex Flashlight, demonstrating its brightness and tactical features. It highlights the flashlight's design and functionality.
NEBO Redline Flex Pocket Flashlight. SO BRIGHT
Video 2: This video showcases the impressive brightness of the NEBO Redline Flex, emphasizing its compact size and powerful illumination for a pocket flashlight.
NEBO Slyde King 2K - Flashlight & Work Light in One
Video 3: While featuring the NEBO Slyde King 2K, this video demonstrates general NEBO flashlight features such as zoom and different light modes, which are also present in the Redline Flex model.
Nebo Redline V Flashlight Review
Video 4: This review video focuses on the Nebo Redline V, a similar model, showcasing its features and performance, which can be indicative of the Redline Flex's capabilities.
Warranty & Support
The NEBO Redline Flex Flashlight comes with a Limited Warranty. For specific warranty details and support inquiries, please refer to the official NEBO website or contact Alliance Consumer Group, the manufacturer.
Manufacturer: Alliance Consumer Group





