FlashlightChart.com
Acebeam

Acebeam D20 2700lm diving light review: Pros and Cons

Cree XHP35 HD LED
2700 lm output
24200 cd intensity
1 x 21700 Li-Ion battery

The Acebeam D20 diving light released in 2019. It uses Cree XHP35 HD LED, SMO reflector and 1 x 21700 Li-Ion battery. The powerful emitter in this diving light provides up to 2700 lm output, 24200 cd intensity, and a beam distance of 311 m.

Table of Contents

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 Acebeam D20, then tell us.

Acebeam D20 / D20

This light has 2 modes of lighting. You don't have to cycle through many modes to find what you want. The D20's mode memory makes the flashlight start in your preferred or needed mode.

Acebeam D20 specifications

BrandAcebeam
NameD20
TypeD20
Rating
Rated 4 / 5 based on 1422 user votes.
Launch2019
Formdiving light

Acebeam D20 / 2

Body, materials, weight, colors

Weight128 g
Length136 mm
Body diameter27 mm
Head diameter34 mm
Materialaluminium alloy with HAIII hard-anodized finish
Colorsblack

The flashlight weighs 128 g. It is generally comfortable to hold for a long time, and it is also easy to carry in pockets or bags. The best flashlight size depends on personal preference. It also depends on intended use and the specific features you want. The aluminium body of the D20 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 D20 flashlight is available in black.

Acebeam D20 / 3

System, LED, lens, reflector

EmitterCree XHP35 HD LED
Color temperature6500 K
ReflectorSMO
Lenstoughtened AR coated glass
Switchelectronic 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 smooth reflector creates a well-defined hotspot at the center. This hotspot provides a concentrated beam for long-range use. The coating is thin and applied to the lens surface. It cuts reflections and boosts light transmission. Some flashlights with electronic switches have programmable features. They allow users to customize the behavior of the flashlight.

Acebeam D20 / 1

Performance, flux, intensity, throw

Flux2700 lm
Intensity24200 cd
Throw311 m
CD/LM factor8.96

With 2700 lm, the D20 flashlight will offer a brighter and more powerful beam of light. The D20 flashlight has 24200 cd. It can light objects at greater distances. The throw is the distance in meters at which the flashlight produces a light intensity of 0.25 lux. The candela per lumen (cd/lm) ratio can be used to determine if a flashlight has a spot or flood type beam.

Software, user interface, modes

Modes2 modes
Mode memoryyes
Ramping modeno
Strobeno
SOS/Beaconyes

A flashlight's modes are different output settings or brightness levels. They can be chosen to meet different needs and preferences. The flashlight has mode memory. It remembers the mode you were using when the light was last turned off. It stays in that mode when you turn it on again. The SOS code starts three short signals. Then, three long signals follow. Finally, there are three short signals again.

Features, battery, protections

Battery1 x 21700 Li-Ion battery
Battery indicatoryes
Charger portno
LVPyes
Thermal regulationyes
Protectiondepth 200 meters
AUX LEDsno
Magneticno

The D20 flashlight utilizes 1 x 21700 Li-Ion battery as its power source. The battery indicator prevents surprise power failures. It ensures the flashlight is ready when needed. The D20 cannot charge batteries. You may need an external charger to keep your battery going. This flashlight has built-in low voltage protection (LVP). It prevents damage from over-discharge, so it doesn't need protected cells. The D20 has thermal protection feature. These mechanisms track and regulate the flashlight's temperature as it operates.

Accessories, package contents

Package contents18650 adapter
2 x spare o-rings
21700 battery with microUSB
lanyard
microUSB cable

The included battery lets you immediately use the flashlight for your desired applications. It saves time and allows you to focus on your tasks or activities. The lanyard of the D20 protects the flashlight from accidental damage. It does this by stopping it from falling or hitting the ground. Instead of searching for matching O-rings, having spare O-rings allows quick fixes.

According to the ANSI/NEMA FL1 Standard, we measure the performance of the D20 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 Acebeam 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
  • AR coated lens
  • side switch
  • super bright
  • multiple modes
  • mode memory
  • SOS/beacon function
  • battery indicator
  • low-voltage protection
  • thermal regulation
  • battery included
  • adapter included

Cons

  • cool light
  • no built-in charger
  • no auxiliary LEDs
  • non-magnetic

Photos

Acebeam D20 / D20 photo 1.
Acebeam D20 / D20 photo 2.
Acebeam D20 / D20 photo 3.
Acebeam D20 / D20 photo 4.
Acebeam D20 / D20

If there’s information about the Acebeam D20 that you would like to see on this site, then write to us.

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.
FlashlightChart.com / Flashlights / Acebeam / Acebeam D20 (2019)