Introduction
The OLIGHT i3E EOS is a compact and powerful keychain flashlight designed for everyday carry. It provides bright illumination for various scenarios, from camping to emergency use. Its small size and robust design make it an ideal companion for your keys, backpack, or emergency kit.

Image: The OLIGHT i3E EOS Auspicious Clouds Keychain Flashlight, showcasing its compact design.
Features
- Bright and Powerful: Runs with ONLY ONE AAA battery to produce 90 LUMENS of bright light. Offers a 44-meter beam distance and a lifespan of up to 60,000 hours.
- Waterproof and Durable: The IPX8 rated mini flashlight is powered by ONE AAA GreenMax battery, ensuring long-lasting illumination and resilience in wet conditions.
- Compact and Portable: Perfectly sized for keychains, this mini flashlight serves as both a functional tool and a stylish accessory, easily carried wherever you go.
- Versatile Usage: Ideal for camping, hunting, trekking, day hikes, touring, backpacking, running, dog walking, night fishing, and other outdoor activities.
- Important Note: Please remove the plastic wrapper from the battery before using the flashlight. This is a twist-operated EDC keychain flashlight, not a button-activated light.

Image: The OLIGHT i3E EOS flashlight, highlighting its vibrant design and LED output.

Image: Demonstrating the miniature, pinkie-sized form factor of the flashlight.

Image: The flashlight illuminating a path at night, showcasing its powerful output.
Setup
Battery Installation
The OLIGHT i3E EOS uses one AAA battery. Follow these steps for proper battery installation:
- Unscrew the head of the flashlight by twisting it counter-clockwise.
- If it's the first use, remove any plastic wrapper from the included AAA battery.
- Insert the AAA battery into the flashlight body with the positive (+) end facing the head of the flashlight.
- Screw the head back onto the flashlight body by twisting it clockwise until it is securely tightened.

Image: The flashlight with its head unscrewed, showing the battery compartment.
Operating
Turning On/Off
The OLIGHT i3E EOS features a simple twist-on/off mechanism:
- To Turn On: Twist the head of the flashlight clockwise until the light illuminates.
- To Turn Off: Twist the head of the flashlight counter-clockwise until the light extinguishes.

Image: A hand demonstrating the twist-on operation of the flashlight.
Maintenance
Cleaning and Care
To ensure optimal performance and longevity of your OLIGHT i3E EOS flashlight:
- Keep the flashlight clean and dry. Wipe the exterior with a soft, damp cloth as needed.
- Regularly inspect the O-ring located at the threads of the flashlight head. Ensure it is free of dirt, debris, or damage to maintain the IPX8 water resistance.
- If the O-ring appears worn or damaged, replace it promptly to preserve the waterproof rating.
Battery Replacement
When the light output becomes noticeably dim or the flashlight fails to turn on, it's time to replace the AAA battery. Follow the battery installation steps outlined in the 'Setup' section, ensuring correct polarity.

Image: The flashlight submerged in water, illustrating its waterproof design.
Troubleshooting
If you encounter issues with your OLIGHT i3E EOS flashlight, refer to the table below for common problems and their solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Flashlight does not turn on | Battery wrapper not removed | Remove plastic wrapper from battery |
| Battery inserted incorrectly | Reinsert battery with correct polarity | |
| Low or dead battery | Replace battery | |
| Light is dim | Low battery | Replace battery |
| Water ingress | Damaged or dirty O-ring | Clean or replace O-ring |
| Head not screwed on tightly | Ensure head is fully tightened |
Specifications
- Max Output: 90 Lumens
- Max Runtime: 45 Minutes
- Max Throw: 44 Meters
- Battery: AAA Alkaline
- Drop Test: 1.5 Meters
- Waterproof Rating: IPX8
- Material: Aluminum
- Product Dimensions: 1.46"D x 0.71"W x 4.45"H
- Item Weight: 1.13 ounces

Image: Visual summary of the flashlight's key performance specifications.
Warranty and Support
OLIGHT provides a Lifetime Warranty for the i3E EOS flashlight, ensuring long-term reliability and customer satisfaction. For detailed warranty terms, service requests, or additional support, please visit the official OLIGHT website or refer to the comprehensive user manual.
You can access the full user manual in PDF format here: OLIGHT i3E EOS User Manual (PDF)
Explore more OLIGHT products and resources at their official store: Visit the OLIGHT Store





