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Fireflies

Fireflies E07 SST20 CW flashlight review

7 x Luminus SST20 LEDs
4500 lm output
15000 cd intensity
1 x 21700 Li-Ion battery

The Fireflies E07 SST20 CW flashlight was released in 2019. It uses 7 x Luminus SST20 LEDs, TIR reflector and 1 x 21700 Li-Ion battery. The powerful emitter in this flashlight provides up to 4500 lm output, 15000 cd intensity, and a beam distance of 245 m.

Wondering if this Fireflies flashlight is a must-have? Keep reading to find out!

Table of Contents

  • Fireflies E07 SST20 CW specifications
    • Body, materials, weight, colors
    • System, LED, lens, reflector
    • Performance, flux, intensity, throw
    • Software, user interface, modes
    • Features, battery, protections
    • Accessories, package contents
    • Links
  • Conclusion, pros and cons
  • Photos
  • Comparisons

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.

Fireflies E07 SST20 CW / E07SCW

The E07 SST20 CW is a powerful and reliable flashlight. It has impressive illumination and durable construction. TIR lens plays a significant role in shaping the beam pattern of the E07 SST20 CW flashlight. The E07 SST20 CW's mode memory makes the user experience more seamless and intuitive. It has a strobe function, which is one of the most effective self defense tools available.

Fireflies E07 SST20 CW specifications

BrandFireflies
NameE07 SST20 CW
TypeE07SCW
Rating
Rated 4 / 5 based on 1483 user votes.
Launch2019
Formflashlight

This Fireflies flashlight offers portability, versatility, and reliability.

Fireflies E07 SST20 CW / 6

Body, materials, weight, colors

Weight125 g
Length112 mm
Body diameter26 mm
Head diameter37.5 mm
Materialaluminium alloy with HAIII hard-anodized finish
Colorsblack
gold
gray
silver

This 125 g flashlight is slightly heavier than most handheld flashlights. Consider the length of the flashlight, it should fit comfortably in your chosen way to carry it. The aluminium body of the E07 SST20 CW has a reputation for being durable and strong. HAIII is a specific anodizing process, it creates a thicker and harder oxide layer than regular anodizing. This flashlight offers many color options.

Fireflies E07 SST20 CW / 5

System, LED, lens, reflector

Emitter7 x Luminus SST20 LEDs
Color temperature6500 K
ReflectorTIR
LensTIR
Switchelectronic side

Luminus is a US-based LED manufacturer. In the lighting industry, it has gained recognition as reputable. Color temperature is used to quantify the color appearance of light sources. The E07 SST20 CW's TIR lens is made of a single piece of transparent material. The flashlight has electronic switches.

Fireflies E07 SST20 CW / 1

Performance, flux, intensity, throw

Flux4500 lm
Intensity15000 cd
Throw245 m
CD/LM factor3.33
CRI66

The E07 SST20 CW flashlight has 4500 lm. It will provide an exceptionally bright and powerful beam of light. The E07 SST20 CW flashlight has 15000 cd, it can light objects at greater distances. 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. A flashlight with a higher CRI can show colors more accurately. The CRI of 66 can still be sufficient for many general lighting applications.

Fireflies E07 SST20 CW / 4

Software, user interface, modes

FirmwareAnduril
Mode memoryyes
Ramping modeyes
Strobeyes
SOS/Beaconyes

Anduril lets users customize many parameters. These include mode spacing, mode order, and shortcuts. The flashlight has mode memory. It remembers the mode you were using when the light was last turned off. The E07 SST20 CW's ramping mode is easy to use. It lets you smoothly change the output over its whole range. The E07 SST20 CW is tactical strobe ready. The strobe light is disorienting to the person it is aimed at, this makes it hard for them to concentrate. The SOS signal is an international distress call.

Fireflies E07 SST20 CW / 7

Features, battery, protections

Battery1 x 21700 Li-Ion battery
Battery indicatoryes
Charger portno
LVPyes
Thermal regulationyes
ProtectionIPx6
AUX LEDsyes
Magneticno

The Fireflies E07 SST20 CW flashlight is powered by 1 x 21700 Li-Ion battery. The battery indicator lets you know when the battery is low, charging, or fully charged. The E07 SST20 CW doesn't have charger port. LVP (Low Voltage Protection) is designed to protect the battery. The thermal protection feature helps prevent overheating. The IPx6 rating indicates that the flashlight has a protection against water jets. Auxiliary LEDs provide extra lighting options beyond the main beam of the flashlight.

Fireflies E07 SST20 CW / 8

Accessories, package contents

Package contentsclip
lanyard
spare o-ring

With a clip, you can fasten the flashlight to a reachable spot. The lanyard prevents accidental loss of the flashlight. Replacing worn or damaged O-rings helps a lot.

Fireflies E07 SST20 CW / 2
Official sitehttps://www.ff-light.com/

Conclusion, pros and cons

This Fireflies 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.

Pros

  • lightweight
  • aluminium body
  • body color options
  • TIR lens
  • side switch
  • strong flux
  • Anduril firmware
  • mode memory
  • ramping mode
  • tactical strobe
  • SOS/beacon function
  • battery indicator
  • low-voltage protection
  • thermal regulation
  • waterproof
  • auxiliary LEDs
  • clip

Cons

  • cool light
  • low CRI
  • no built-in charger
  • non-magnetic

Photos

Fireflies E07 SST20 CW / E07SCW photo 1.
Fireflies E07 SST20 CW / E07SCW photo 2.
Fireflies E07 SST20 CW / E07SCW photo 3.
Fireflies E07 SST20 CW / E07SCW photo 4.
Fireflies E07 SST20 CW / E07SCW photo 5.
Fireflies E07 SST20 CW / E07SCW photo 6.
Fireflies E07 SST20 CW / E07SCW photo 7.
Fireflies E07 SST20 CW / E07SCW photo 8.
Fireflies E07 SST20 CW / E07SCW photo 9.
Fireflies E07 SST20 CW / E07SCW

Comparisons

According to our statistics, the Fireflies E07 SST20 CW flashlight was most often compared on our site with the following flashlights.

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Updated: April 23, 2024

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.