Alonefire DV55 diving light review

3 x Cree XM-L2 LEDs
3000 lm output
22500 cd intensity
2 x 26650 Li-Ion batteries

The Alonefire DV55 diving light was released in 2016. It uses 3 x Cree XM-L2 LEDs, SMO reflector and 2 x 26650 Li-Ion batteries. The powerful emitter in this diving light provides up to 3000 lm output, 22500 cd intensity, and a beam distance of 300 m.

Curious to know if this Alonefire diving light is top-notch? Stay tuned for the answer!

Table of Contents

  • Alonefire DV55 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

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.

Alonefire DV55 / DV55

Without mode memory, this flashlight always starts in the default mode.

Alonefire DV55 specifications

Rated 4 / 5 based on 1503 user votes.
Formdiving light

Alonefire DV55 / 5

Body, materials, weight, colors

Weight349 g
Length207 mm
Body diameter34 mm
Head diameter49.5 mm
Materialaluminium alloy with HAIII hard-anodized finish

This 349 g flashlight might feel relatively heavy if held in hand. The best flashlight size depends on personal preference. Aluminium is a lightweight material, which is beneficial for DV55 flashlight. Flashlight makers widely use HAIII coating. This flashlight features a captivating black color.

Alonefire DV55 / 4

System, LED, lens, reflector

Emitter3 x Cree XM-L2 LEDs
Color temperature6500 K
LensAR coated glass
Switchmechanical side

Lighting professionals trust Cree LEDs. Cree LEDs have gained a strong reputation for quality and performance. The color temperature choice depends on the light's use and personal taste. The DV55 uses a smooth reflector. A smooth reflector has a polished, mirror-like surface. The AR coating on the lens maximizes light transmission. Mechanical switches offer tactile feedback. Users can feel a distinct click or resistance when they press the switch.

Alonefire DV55 / 3

Performance, flux, intensity, throw

Flux3000 lm
Intensity22500 cd
Throw300 m
CD/LM factor7.5

The 3000 lm output of DV55 provides great flexibility. The DV55 flashlight has 22500 cd, it can light objects at greater distances. The throw distance is the farthest distance the flashlight can light an object. The candela per lumen (cd/lm) ratio can be used to determine if a flashlight has a spot or flood type beam.

Alonefire DV55 / 2

Software, user interface, modes

Mode memoryno
Ramping modeno

Alonefire DV55 / 1

Features, battery, protections

Battery2 x 26650 Li-Ion batteries
Battery indicatorno
Charger portno
Thermal regulationyes
Protectiondepth 100 meters

The DV55 flashlight utilizes 2 x 26650 Li-Ion batteries as its power source. The DV55 doesn't have charger port. The Low Voltage Protection helps save the battery's capacity. The thermal protection feature helps prevent overheating.

Accessories, package contents

Package contents18650 adapters

The lanyard of the DV55 protects the flashlight from accidental damage.

Official sitehttp://www.alonefire.com/

Conclusion, pros and cons

This Alonefire 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.


  • aluminium body
  • AR coated lens
  • side switch
  • super bright
  • low-voltage protection
  • thermal regulation
  • adapter included


  • cool light
  • no mode memory
  • no battery indicator
  • no built-in charger
  • no auxiliary LEDs
  • non-magnetic


Alonefire DV55 / DV55 photo 1.
Alonefire DV55 / DV55 photo 2.
Alonefire DV55 / DV55 photo 3.
Alonefire DV55 / DV55 photo 4.
Alonefire DV55 / DV55 photo 5.
Alonefire DV55 / DV55 photo 6.
Alonefire DV55 / DV55

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Updated: April 27, 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.