ULTRAFIRE WF-502B Single Mode Tactical Flashlight User Manual

Introduction

Thank you for choosing the ULTRAFIRE WF-502B Tactical Flashlight. This manual provides detailed instructions for the safe and effective use, setup, operation, and maintenance of your flashlight. Please read this manual thoroughly before use and retain it for future reference.

ULTRAFIRE WF-502B Tactical Flashlight with Holster

Image: The ULTRAFIRE WF-502B Tactical Flashlight shown alongside its included duty belt holster.

Product Overview

The ULTRAFIRE WF-502B is a high-performance single-mode tactical flashlight designed for reliability and ease of use. It features a durable aluminum alloy body, 1000 lumens brightness, and an IPX6 waterproof rating. The included 360° rotatable holster provides convenient carrying options.

Key Features:

High Brightness: 1000 lumens output with a beam distance of 200 meters (656 feet).
Single Mode Operation: Simple on/off functionality without cycling through multiple modes.
Durable Construction: Military-grade aluminum alloy body, resistant to abrasion, drops, and pressure.
Waterproof: IPX6 rated for reliability in various weather conditions.
Tactical Holster: 360° rotatable duty belt holster for hands-free carrying.

ULTRAFIRE WF-502B Flashlight features: 1000 LM, IPX6 waterproof, 656 FT throw, 2200 mAh capacity, 1.5M drop test, 3.67 oz net weight.

Image: Infographic highlighting key specifications of the WF-502B flashlight, including 1000 lumens, IPX6 waterproof rating, 656 feet beam distance, and 1.5-meter drop resistance.

Specifications

Feature	Detail
Model	WF-502B
Brightness	1000 Lumens
Beam Distance	200 meters (656 feet)
Power Source	Battery Powered (1 Lithium Ion battery required)
Battery Type	18650 Lithium-Ion (not included)
Voltage	3.7 Volts
Light Source	LED
Material	Aluminum Alloy
Color	Black
Water Resistance	IPX6 (Water Resistant)
Product Dimensions	5.24"D x 1.3"W x 1"H (13.3cm x 3.3cm x 2.5cm)
Item Weight	176 Grams (6.2 ounces)
Included Components	WF-502B Flashlight, Nylon Holster

Setup

1. Battery Installation

The ULTRAFIRE WF-502B requires one 18650 Lithium-Ion battery (not included). Ensure the battery is fully charged before installation.

Unscrew the tail cap of the flashlight by turning it counter-clockwise.
Insert one 18650 Lithium-Ion battery with the positive (+) end facing towards the flashlight head (LED).
Screw the tail cap back on clockwise until it is securely tightened.

Important: Ensure correct battery polarity to prevent damage to the flashlight. The flashlight will not operate if the battery is inserted incorrectly.

2. Holster Attachment

The included nylon holster can be attached to a duty belt for convenient carrying.

Open the hook-and-loop fastener strap on the back of the holster.
Slide your belt through the loop created by the strap.
Securely fasten the strap.
Insert the flashlight into the holster. The holster allows for 360° rotation for optimal positioning.

ULTRAFIRE WF-502B Flashlight in a 360-degree rotatable holster attached to a belt.

Image: A close-up of the WF-502B flashlight secured in its 360° rotatable holster on a belt, demonstrating its hands-free capability.

Operating Instructions

Power On/Off

The WF-502B flashlight features a simple single-mode operation.

To turn the flashlight ON, firmly press the button on the tail cap until it clicks.
To turn the flashlight OFF, firmly press the button on the tail cap again until it clicks.

This single-mode design ensures instant activation without cycling through various brightness levels or strobe functions, making it ideal for situations requiring immediate light.

Hand holding ULTRAFIRE WF-502B flashlight, demonstrating its single mode operation.

Image: A person's gloved hand holding the WF-502B flashlight, illustrating its simple on/off single-mode functionality.

Maintenance

Cleaning: Wipe the flashlight body with a clean, soft cloth. For stubborn dirt, a slightly damp cloth can be used. Do not use abrasive cleaners or solvents.
Lubrication: Periodically apply a thin layer of silicone grease to the O-rings and screw threads to maintain water resistance and smooth operation.
Battery Care: Remove the battery if the flashlight will not be used for an extended period to prevent leakage. Store batteries in a cool, dry place.
Inspection: Regularly check O-rings for wear and tear. Replace if damaged to maintain the IPX6 waterproof rating.

Troubleshooting

Problem	Possible Cause	Solution
Flashlight does not turn on.	Battery depleted. Incorrect battery insertion. Loose tail cap. Poor battery contact.	Replace or recharge battery. Ensure positive (+) end faces the flashlight head. Tighten the tail cap securely. Ensure the 18650 battery has a flat top with sufficient contact area. Clean battery contacts if necessary.
Light flickers or is dim.	Low battery. Loose connections.	Replace or recharge battery. Tighten all parts, especially the tail cap and head.
Water ingress.	Damaged or improperly seated O-rings. Loose components.	Inspect and replace O-rings if damaged. Ensure all parts are tightly screwed.

Warranty and Support

The ULTRAFIRE WF-502B flashlight comes with a 3-year warranty. For any questions or support needs, please contact customer service. You can find contact information on the official ULTRAFIRE website or through your purchase platform.

Customer service is available 24 hours to assist you with product inquiries or issues.

Safety Information

Do not shine the flashlight directly into eyes.
Keep out of reach of children.
Use only recommended 18650 Lithium-Ion batteries.
Do not disassemble the flashlight head or tail cap beyond battery replacement and O-ring maintenance.
Avoid exposing the flashlight to extreme temperatures or direct sunlight for prolonged periods.