Fenix E03R flashlight review

1 x Match CA18 LED, 1 x Everlight 2835 LED
260 lm output
430 cd intensity
integrated Li-Ion battery

The Fenix E03R flashlight was released in 2020. It uses 1 x Match CA18 LED, 1 x Everlight 2835 LED, TIR reflector and integrated Li-Ion battery. The powerful emitter in this flashlight provides up to 260 lm output, 430 cd intensity, and a beam distance of 41 m.

Curious to know if this Fenix flashlight is top-notch? Stay tuned for the answer!

Table of Contents

  • Fenix E03R specifications
    • Body, materials, weight, colors
    • System, LED, lens, reflector
    • Performance, flux, intensity, throw
    • Software, user interface, modes
    • Features, battery, protections
    • Accessories, package contents
  • Conclusion, pros and cons
  • Photos

The content of this article reflects our own experiences and viewpoints. We aim to offer insights on a topic, and we hope others find it helpful and motivating. Additionally, we make every effort to provide accurate and comprehensive coverage. If you found an error or something lacking in the specifications for the Fenix E03R, then tell us.

Fenix E03R / E03R

The flashlight is a must-have tool for outdoor activities. These include camping, hiking, and night-time exploration, it offers guidance and safety. The E03R has TIR lenses. Engineers design them to minimize light scattering and decrease lens artifacts. This light has 4 modes of lighting. Without mode memory, this flashlight always starts in the default mode. The E03R may also support other charging methods. These include solar panels or hand-cranked mechanisms.

Fenix E03R specifications

Rated 3 / 5 based on 1507 user votes.

This Fenix flashlight is compact and handheld. It is easy to carry and maneuver.

Body, materials, weight, colors

Weight22 g
Length47 mm
Head diameter12 mm
Dimensions47 x 24 x 12 mm
Materialaluminium alloy with HAIII hard-anodized finish

The 22 g flashlight may not provide the same level of brightness or features as larger models. The best flashlight size depends on personal preference. It also depends on intended use and the specific features you want. The aluminum bodies can be anodized. This adds a protective layer and a wide range of color options for flashlight bodies. The HAIII coating is often matte or textured. This finish improves grip and feels nice in the hand. This flashlight features a captivating gray color.

Fenix E03R / 1

System, LED, lens, reflector

Emitter1 x Match CA18 LED, 1 x Everlight 2835 LED
Color temperature5500 K
Switchelectronic side

Color temperature is a characteristic of light. It is used to quantify the color appearance of light sources. This TIR lens offers flexibility. It can create many beam patterns, from wide angles to spotlights. The flashlight has electronic switches. They have many benefits and extra features compared to mechanical switches.

Performance, flux, intensity, throw

Flux260 lm
Intensity430 cd
Throw41 m
CD/LM factor1.65

You mainly need a flashlight for basic tasks like finding keys or navigating in dimly lit areas. 260 lm can be enough. It can also be enough for occasional use around the house. 430 cd can make things quite bright. It's enough for many everyday tasks. The throw distance is the farthest distance the flashlight can light an object. The cd/lm factor is the candela-to-lumen ratio. It shows how concentrated a light source's output is.

Software, user interface, modes

Modes4 modes
Mode memoryno
Ramping modeno

A flashlight's modes are different output settings or brightness levels. They can be chosen to meet different needs and preferences.

Features, battery, protections

Batteryintegrated Li-Ion battery
Battery indicatoryes
Charger portUSB Type-C
Thermal regulationyes
Specialsred light
white light

The Fenix E03R flashlight is powered by integrated Li-Ion battery. The battery indicator prevents surprise power failures. It ensures the flashlight is ready when needed. USB rechargeable flashlights are more popular now. They are popular because they are convenient and sustainable. The Low Voltage Protection helps save the battery's capacity. It stops it from reaching a critically low voltage. The built-in thermal control adjusts brightness output to prevent overheating.

The "6" in the IP66 rating shows the level of protection. It's against solid objects, like dust and foreign particles. The IP66 rating indicates that the flashlight has a protection against water jets.

Accessories, package contents

Package contentsUSB Type-C OTG cable
key ring

According to the ANSI/NEMA FL1 Standard, we measure the performance of the E03R flashlight 30 seconds after switching on the light. The ANSI/NEMA FL1 2009 Standard is a set of flashlight performance guidelines.

Conclusion, pros and cons

This Fenix flashlight, like any other, has its strengths and weaknesses. Let's take a close look at both sides to understand this flashlight better. I share my thoughts on its standout features and the parts that might need improvement. Keep in mind, these are just my opinions, and you might have a different perspective.


  • lightweight
  • aluminium body
  • TIR lens
  • side switch
  • multiple modes
  • integrated battery
  • battery indicator
  • USB charger
  • low-voltage protection
  • thermal regulation
  • dust protected
  • waterproof


  • moderated performance
  • low intensity
  • no mode memory
  • no auxiliary LEDs
  • non-magnetic


Fenix E03R / E03R photo 1.
Fenix E03R / E03R photo 2.
Fenix E03R / E03R

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David Hagon
I love bushcraft and flashlights. I find joy in mastering wilderness survival skills and exploring the realm of illuminating gadgets. Bushcraft isn't just fun, it's a learning journey. I form a strong bond with nature. It's more than a hobby, it enriches me in practical and spiritual ways.
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