Fenix E03R V2 Keychain Flashlight

The Fenix E03R V2.0 is one of the smallest rechargeable flashlights you can put on a keyring — and one of the most surprising. Squeezed into a CNC-machined, full-metal body just 2 inches long, it throws a bright 500-lumen beam nearly 300 feet (90 meters), the kind of output you'd expect from something twice its size. A USB Type-C port and 400mAh battery keep it charged and ready, with an LED indicator so you always know where it stands, and an IP66 rating means splashes and dust are a non-issue.

This tiny rechargeable flashlight is tough, genuinely useful, and small enough to disappear until the exact moment you need it — which makes it as good a gift as it is a daily carry.

Output and Runtime by Mode

Fenix E03R V2 ANSI/PLATO FL1 specifications
Mode Output Runtime Beam distance Intensity
High 500 lumens 1 h 20 min* 90 m / 295 ft 2,082 cd
Med 150 lumens 2 h 50 m / 164 ft 630 cd
Low 30 lumens 6 h 35 min 20 m / 66 ft 127 cd
Eco 5 lumens 30 h 9 m / 30 ft 20 cd
Red / Red Flash 5 lumens — — —
Breathing light 1 lumen — — —

Tested by Fenix with the built-in 400mAh battery. *Includes reduced output after thermal step-down. Impact resistance 1 m; IP66.

$30.95
$30.95
Shipping calculated at checkout.
Color: Grey
  • Fenix Store
  • Shopify Collective
THIS PRODUCT IS SOLD VIA SHOPIFY COLLECTIVE (MARKED SC OR TAGGED SHOPIFY COLLECTIVE). IT WILL BE SHIPPED DIRECTLY FROM THE SUPPLIER AND MAY HAVE SEPARATE SHIPPING CHARGES WHERE ANY ENTROPY SHIPPING DISCOUNTS ARE NOT APPLICABLE. ONCE FULFILLMENT IS ACCEPTED BY THE SUPPLIER, ORDER CANCELLATIONS CANNOT BE PLACED – YOU WILL NEED TO OPEN A RETURN/REFUND PROCESS AND WILL BE SUBJECT TO THE SUPPLIER'S RETURN POLICY. ENTROPY PRODUCT DISCOUNTS DO NOT APPLY TO (SC) PRODUCTS DUE TO LIMITED MARGINS.
  • Amazon
  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Venmo
  • Visa
CURATED BY EXPERTS
HIGH QUALITY GEAR
SHIPS FAST
SECURE CHECKOUT
AS SEEN ON
Trust Reef Trust Reef
AND OVER 450 NEWS SITES
Verified by BrandPush.co

Our Bestselling Gear

What Our Customers Are Saying

5.00

"As a mom, nothing matters more than protecting my family. Entropy Survival’s emergency kits gave me peace of mind knowing we’re prepared for anything."

Dana L. – NM
5.00

"I bought the pet emergency kit for my dog and was amazed at the quality! Everything is thoughtfully packed to keep pets safe and healthy during any disaster."

Lynn B. – WA
5.00

"The Safe Trail Kit is a must-have for hikers! Lightweight, affordable, and packed with high-quality essentials — it kept me safe and prepared deep into the backcountry."

Mike B. – UT
5.00

"Entropy Survival has the best selection of quality survival gear I’ve found. Whether prepping for off-grid living or emergencies, their depth and reliability are second to none."

Paul M. – VT

GOT QUESTIONS? WE'VE GOT ANSWERS!

Yes, you can track your order via our interactive chat or via email. To see your order status, please provide your order details.

We currently only ship to confirmed addresses in the United States. We offer free shipping on all orders $99 or more.

If you purchased an item through our website and need to return it, you can request a refund within 30 days of the shipping date. To qualify for a full refund, the product must be returned in "new" condition – unused, unaltered, unworn, and containing all original components (e.g., all parts of The Safe House Kit).

HAVE QUESTIONS OR NEED HELP CHOOSING THE RIGHT SURVIVAL GEAR? GET IN TOUCH WITH US TODAY – WE'RE HERE TO HELP!

Contact Us
Forest Survival