ASP Poly DF flashlight review

Cree XP-G2 LED
420 lm output
10000 cd intensity
1 x 18650 Li-Ion battery

The ASP Poly DF flashlight was released in 2019. It uses Cree XP-G2 LED, SMO reflector and 1 x 18650 Li-Ion battery. The powerful emitter in this flashlight provides up to 420 lm output, 10000 cd intensity, and a beam distance of 200 m.

Want to find out if the ASP Poly DF is good? Keep reading to know!

Table of Contents

  • ASP Poly DF 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.


The Poly DF flashlight offers a versatile lighting solution. This light has 2 modes of lighting. Without mode memory, each time you turn on the Poly DF, it will start from the first mode in the sequence. The flashlight uses rechargeable batteries.

ASP Poly DF specifications

NamePoly DF
Rated 4 / 5 based on 1484 user votes.

This ASP flashlight is compact and handheld.

ASP Poly DF / 2

Body, materials, weight, colors

Weight105 g
Length171.5 mm
Head diameter35.6 mm
Materialaluminium alloy with HAIII hard-anodized finish

The flashlight is comfortable to hold for a long time, and it is also easy to carry in pockets or bags. Consider the length of the flashlight, it should fit comfortably in your chosen way to carry it. Aluminium is a lightweight material, which is beneficial for Poly DF flashlight. The HAIII process makes a hard and wear-resistant surface on the aluminum. This flashlight comes in a sleek black color option.

ASP Poly DF / 1

System, LED, lens, reflector

EmitterCree XP-G2 LED
Color temperature6500 K
Lenstoughtened AR coated glass
Switchmechanical rear

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 Poly DF uses a smooth reflector. A smooth reflector has a polished, mirror-like surface. The AR coating of the lens helps to reduce reflections. Mechanical switches offer tactile feedback. Users can feel a distinct click or resistance when they press the switch. The rear switch allows for quick and easy momentary or constant-on activation.

ASP Poly DF / 3

Performance, flux, intensity, throw

Flux420 lm
Intensity10000 cd
Throw200 m
CD/LM factor23.81

You mainly need a flashlight for basic tasks like finding keys or navigating in dimly lit areas, 420 lm can be enough. The Poly DF flashlight has 10000 cd, it provides a much brighter and more intense beam. 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.

Software, user interface, modes

Modes2 modes
Mode memoryno
Ramping modeno

A flashlight's modes are different output settings or brightness levels.

Features, battery, protections

Battery1 x 18650 Li-Ion battery
Battery indicatoryes
Charger portmicroUSB
Thermal regulationno
Impact resistance2 m

The Poly DF flashlight utilizes 1 x 18650 Li-Ion battery as its power source. A battery indicator lets users see the battery status. A flashlight's USB charger can be very useful. This is especially true in emergencies. The Poly DF flashlight lacks built-in LVP. You should use a protected battery to prevent over-discharging. This flashlight doesn't have built-in temperature control. The flashlight has an IPx8 rating. It can withstand being submerged in water beyond 1 meter for a prolonged period. This flashlight has an impressive impact resistance rating of 2 m. It is built to endure accidental drops or impacts.

Accessories, package contents

Package contents18650 battery
microUSB cable

The included battery is picked by the manufacturer. The clip allows you to attach this flashlight to a belt, pocket, backpack, or other items.

Official sitehttps://www.asp-usa.com/

Conclusion, pros and cons

This ASP 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
  • AR coated lens
  • tactical switch
  • multiple modes
  • battery indicator
  • USB charger
  • waterproof
  • battery included
  • clip


  • cool light
  • moderated performance
  • no mode memory
  • no LVP
  • no thermal regulation
  • no auxiliary LEDs
  • non-magnetic


ASP Poly DF / POLYDF photo 1.
ASP Poly DF / POLYDF photo 2.
ASP Poly DF / POLYDF photo 3.
ASP Poly DF / POLYDF photo 4.


According to our statistics, the ASP Poly DF flashlight was most often compared on our site with the following flashlights.

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

Updated: May 5, 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.