Fenix E03R V2.0 flashlight review

1 x unspecified White LED, 1 x unspecified Red LED
500 lm output
2082 cd intensity
integrated 400mAh Li-Ion battery

The Fenix E03R V2.0 flashlight was released in 2023. It uses 1 x unspecified White LED, 1 x unspecified Red LED, TIR reflector and integrated 400mAh Li-Ion battery. The powerful emitter in this flashlight provides up to 500 lm output, 2082 cd intensity, and a beam distance of 91 m.

Keen to discover if this Fenix flashlight lives up to the hype? Keep reading!

Table of Contents

  • Fenix E03R V2.0 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 V2.0, then tell us.

Fenix E03R V2.0 / E03RV2

The E03R V2.0 flashlight is an essential tools for emergency preparedness. In disasters or blackouts, when electricity is unavailable, a flashlight is crucial. It helps you navigate dark areas. It uses a TIR lens to form the beam pattern. This light has 4 + 3 modes of lighting. This flashlight does not have memory function. The flashlight is rechargeable easily via USB port.

Fenix E03R V2.0 specifications

NameE03R V2.0
Rated 4 / 5 based on 429 user votes.

The E03R V2.0 flashlight enhances safety. It illuminates hazards and improves visibility in low light.

Fenix E03R V2.0 / 1

Body, materials, weight, colors

Weight30 g
Length52.5 mm
Body diameter26 mm
Head diameter13 mm
Dimensions52.5 x 26 x 13 mm
Materialaluminium alloy with HAIII hard-anodized finish

The flashlight weighs 30 g. It is lightweight and easy to handle for most people. A balanced flashlight has even weight. It can be more comfortable to hold for longer and reduce hand fatigue. The aluminium body of the E03R V2.0 has a reputation for being durable and strong. It offers excellent resistance to impacts, scratches, and corrosion. The HAIII process makes a hard and wear-resistant surface on the aluminum. This makes it more resistant to scratches, abrasions, and impacts. The E03R V2.0 flashlight is available in gray.

Fenix E03R V2.0 / 4

System, LED, lens, reflector

Emitter1 x unspecified White LED, 1 x unspecified Red LED
Color temperature5500 K
Switchelectronic side

Warm, white light is generally more comfortable. It's also less harsh on the eyes than cool, white light. The TIR lens makes the LED light collimated. It does this into efficient, well-controlled beams. These beams maximize the usable lumens in the target area. The electronic switches may have a higher chance of standby drain.

Fenix E03R V2.0 / 3

Performance, flux, intensity, throw

Flux500 lm
Intensity2082 cd
Throw91 m
CD/LM factor4.16

500 lm can provide a decent amount of brightness and be suitable for many everyday tasks. The E03R V2.0 flashlight has 2082 cd. It provides a much brighter and more intense beam. The throw is the distance in meters at which the flashlight produces a light intensity of 0.25 lux. Candela per lumen (cd/lm) measures a flashlight's beam intensity. It compares this to its total luminous flux or output.

Fenix E03R V2.0 / 2

Software, user interface, modes

Modes4 + 3 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 400mAh Li-Ion battery
Battery indicatoryes
Charger portUSB Type-C
Thermal regulationyes
Impact resistance1 m
Specialsred light
white light

The E03R V2.0 flashlight's power source is integrated 400mAh Li-Ion battery. It provides reliable, long-lasting energy for top performance. A battery indicator lets users see the battery status. It helps them decide when to recharge or replace the battery. A flashlight's USB charger can be very useful. This is especially true in emergencies. In such situations, access to power outlets may be limited.

This flashlight has built-in low voltage protection (LVP). It prevents damage from over-discharge, so it doesn't need protected cells. The thermal protection feature helps prevent overheating. Overheating can harm the flashlight's performance, battery, and safety. 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. This flashlight has an impressive impact resistance rating of 1 m. It is built to endure accidental drops or impacts.

Accessories, package contents

Package contentsUSB Type-C cable

According to the ANSI/NEMA FL1 Standard, we measure the performance of the E03R V2.0 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


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


Fenix E03R V2.0 / E03RV2 photo 1.
Fenix E03R V2.0 / E03RV2 photo 2.
Fenix E03R V2.0 / E03RV2 photo 3.
Fenix E03R V2.0 / E03RV2 photo 4.
Fenix E03R V2.0 / E03RV2 photo 5.
Fenix E03R V2.0 / E03RV2

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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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