Introduction
Thank you for choosing Esgofo LED Flashlights. This manual provides essential information for the safe and effective use of your new flashlight. The Esgofo A100-2 LED flashlight is designed for durability and versatility, featuring a bright 1000-lumen output, five light modes, adjustable focus, and a robust aluminum alloy construction that is waterproof and shockproof. It is suitable for various activities including camping, emergencies, and general outdoor use.

Image: Two Esgofo LED Flashlights, highlighting their compact design and packaging.
Package Contents
Please check the package to ensure all items are present:
- 2x LED Flashlights
- 6x AAA Alkaline Batteries
- 2x AAA Battery Holders
- 2x Battery Tubes (for 18650 battery use, 18650 batteries not included)
- 1x User Manual

Image: A visual representation of the complete packing list, showing two flashlights, AAA batteries, battery holders, and user manual.
Safety Information
- Do not shine directly into eyes: The powerful LED beam can cause temporary vision impairment.
- Battery Safety: Ensure correct battery polarity during installation. Do not mix old and new batteries, or different types of batteries. Remove batteries if the flashlight will not be used for an extended period.
- Children: Keep out of reach of small children to prevent accidental ingestion of small parts or batteries.
- Heat: The flashlight head may become warm during prolonged use on high settings. Handle with care.
Setup
Battery Installation
Your Esgofo LED Flashlight can be powered by either three AAA alkaline batteries (included) or one 18650 rechargeable battery (not included).
- Unscrew the tail cap of the flashlight.
- For AAA Batteries: Insert three AAA batteries into the provided AAA battery holder, ensuring correct polarity (+/-). Then, insert the battery holder into the flashlight body with the positive end facing towards the flashlight head.
- For 18650 Battery: Place the 18650 battery into the larger battery tube (if using a smaller diameter 18650 battery for a snug fit), ensuring the positive end faces towards the flashlight head.
- Screw the tail cap back on securely.

Image: Detailed view of the flashlight's battery compartment, illustrating how to insert either three AAA batteries in a holder or a single 18650 battery.
Video: Official Esgofo video demonstrating the features and operation of the LED Flashlights, including battery installation.
Operating Instructions
Power On/Off and Mode Selection
The flashlight features a tactical tail switch for easy operation.
- To Turn On/Off: Press the tail switch firmly until it clicks.
- To Change Modes: With the flashlight on, lightly press the tail switch (without a full click) to cycle through the five modes: High → Medium → Low → Strobe → SOS.

Image: Close-up of the flashlight's tactical tail switch, indicating how to press for power and lightly tap to change modes.
Adjusting Focus (Zoom)
The flashlight features an adjustable head to change the beam from a wide floodlight to a narrow spotlight.
- To Zoom In (Spotlight): Push the head of the flashlight forward. This concentrates the beam for long-distance illumination.
- To Zoom Out (Floodlight): Pull the head of the flashlight backward. This widens the beam for illuminating a larger area up close.

Image: Illustration of the flashlight's zoomable head, showing how to push or pull to adjust the beam from wide to narrow.
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.
Storage
If the flashlight will not be used for an extended period, remove the batteries to prevent leakage and damage. Store in a cool, dry place.
Durability Features
The Esgofo A100-2 is constructed from durable aluminum alloy, making it shockproof and IP65 waterproof. This design allows it to withstand drops and temporary submersion in water, making it reliable in various weather conditions.

Image: The Esgofo flashlight shown in wet conditions and under pressure, illustrating its waterproof and shockproof capabilities.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Flashlight does not turn on | 1. Batteries inserted incorrectly. 2. Batteries are depleted. 3. Tail cap is loose. | 1. Check battery polarity and reinsert correctly. 2. Replace with new batteries. 3. Tighten the tail cap securely. |
| Light is dim or flickers | 1. Low battery power. 2. Loose battery connection. 3. Dirty contacts. | 1. Replace batteries. 2. Ensure batteries are seated firmly and tail cap is tight. 3. Clean battery contacts and flashlight terminals with a clean cloth. |
| Beam does not adjust | Head mechanism is stuck. | Gently twist and pull/push the head to free it. Avoid excessive force. |
Specifications
| Feature | Detail |
|---|---|
| Model Number | A100-2 |
| Light Source Type | LED |
| Light Output Maximum | 1000 lumens |
| Light Path Distance | 300 meters |
| Runtime | Up to 50,000 hours (LED chip life) |
| Light Modes | High, Medium, Low, Strobe, SOS |
| Special Features | Adjustable Focus, Anti-Roll Body, Lightweight, Weather & Shock Resistant, IP65 Waterproof |
| Power Source | Battery Powered |
| Battery Type | 3x AAA Alkaline (included) or 1x 18650 (not included) |
| Material | Aluminum Alloy |
| Color | Black |
| Item Dimensions (D x W x H) | 6.2"D x 1.4"W x 1.4"H |
Warranty & Support
Warranty Information
Esgofo provides a manufacturer's warranty for this product. For specific details regarding warranty coverage and duration, please refer to the product packaging or contact customer service.
Customer Support
If you have any questions, concerns, or require assistance with your Esgofo LED Flashlights, please do not hesitate to contact our customer service team. We are available 24 hours online to provide a satisfactory solution.
You can also visit the official Esgofo store for more information and products: Esgofo Store on Amazon