Fenix E20 v2 AA flashlight review

Luminus SST20 LED
350 lm output
3950 cd intensity
2 x AA batteries

The Fenix E20 v2 AA flashlight was released in 2020. It uses Luminus SST20 LED, TIR reflector and 2 x AA batteries. The powerful emitter in this flashlight provides up to 350 lm output, 3950 cd intensity, and a beam distance of 126 m.

Excited to find out if this Fenix flashlight is worth it? Keep scrolling!

Table of Contents

  • Fenix E20 v2 AA 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 E20 v2 AA, then tell us.

Fenix E20 v2 AA / E20V2AA

The E20 v2 AA flashlight offers a versatile lighting solution. TIR lens plays a significant role in shaping the beam pattern of the E20 v2 AA flashlight. This light has 4 modes of lighting. Without mode memory, each time you turn on the E20 v2 AA, it will start from the default or first mode in the sequence.

Fenix E20 v2 AA specifications

NameE20 v2 AA
Rated 4 / 5 based on 1492 user votes.

Flashlights let you navigate in the dark. They help you find supplies and signal for help. They also provide comfort and security in tough times.

Fenix E20 v2 AA / 1

Body, materials, weight, colors

Weight42 g
Length127 mm
Body diameter16.8 mm
Head diameter21 mm
Materialaluminium alloy with HAIII hard-anodized finish

An extremely lightweight handheld flashlight weighs 42 g. The length of a flashlight can affect how it feels in your hand and how you can grip and maneuver it. Aluminium is a lightweight material, which is beneficial for E20 v2 AA flashlight. The HAIII coating resists corrosion well. It shields the aluminum from moisture, humidity, and other corrosive elements. This flashlight comes in a sleek black color option.

Fenix E20 v2 AA / 2

System, LED, lens, reflector

EmitterLuminus SST20 LED
Color temperature5000 K
Switchmechanical rear, reverse clicky

Luminus is a US-based LED manufacturer. In the lighting industry, it has gained recognition as reputable. Color temperature is a characteristic of light. It is used to quantify the color appearance of light sources. The E20 v2 AA's TIR lens is made of a single piece of transparent material. This material is typically acrylic or polycarbonate. The E20 v2 AA uses multiple switches. The switches' placement and design determine this. They allow for one-handed operation.

Mechanical switches often offer tactile feedback. Users can feel a distinct click or resistance when they press the switch. The E20 v2 AA flashlight has a rear switch. Its operation is usually simple and easy to understand.

Fenix E20 v2 AA / 3

Performance, flux, intensity, throw

Flux350 lm
Intensity3950 cd
Throw126 m
CD/LM factor11.29

You mainly need a flashlight for basic tasks like finding keys or navigating in dimly lit areas. 350 lm can be enough. It can also be enough for occasional use around the house. The E20 v2 AA flashlight has 3950 cd. It provides a much brighter and more intense beam. 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

Battery2 x AA batteries
Battery indicatorno
Charger portno
Thermal regulationyes

The Fenix E20 v2 AA flashlight is powered by 2 x AA batteries. The E20 v2 AA doesn't have charger port. The E20 v2 AA flashlight lacks built-in LVP. You should use a protected battery to prevent over-discharging. The built-in thermal control adjusts brightness output to prevent overheating. The "6" in the IP68 rating shows the level of protection. It's against solid objects, like dust and foreign particles. The flashlight has an IP68 rating. It can withstand being submerged in water beyond 1 meter for a prolonged period. The manufacturer specifies this.

Accessories, package contents

Package contents2 x AA batteries
spare o-ring

Securing the flashlight with a lanyard frees up your hands for other tasks. It keeps the flashlight within reach. Replacing worn or damaged O-rings helps a lot. It keeps up the flashlight's durability and performance.

According to the ANSI/NEMA FL1 Standard, we measure the performance of the E20 v2 AA 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
  • warm light
  • TIR lens
  • tactical switch
  • multiple modes
  • thermal regulation
  • dust protected
  • waterproof


  • moderated performance
  • low intensity
  • no mode memory
  • no battery indicator
  • no built-in charger
  • no LVP
  • no auxiliary LEDs
  • non-magnetic


Fenix E20 v2 AA / E20V2AA photo 1.
Fenix E20 v2 AA / E20V2AA photo 2.
Fenix E20 v2 AA / E20V2AA photo 3.
Fenix E20 v2 AA / E20V2AA photo 4.
Fenix E20 v2 AA / E20V2AA

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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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