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Klarus

Klarus FX10 flashlight review

Cree XP-L HI LED
1000 lm output
22500 cd intensity
1 x 18650 Li-Ion battery

The Klarus FX10 flashlight was released in 2018. It uses Cree XP-L HI LED, SMO reflector and 1 x 18650 Li-Ion battery. The powerful emitter in this flashlight provides up to 1000 lm output, 22500 cd intensity, and a beam distance of 300 m.

Curious if this Klarus flashlight is a real gem? Keep following along!

Table of Contents

  • Klarus FX10 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 Klarus FX10, then tell us.

Klarus FX10 / FX10

The FX10 flashlight offers a versatile lighting solution. This light has 4 modes of lighting. You don't have to cycle through many modes to find what you want. The FX10's mode memory makes the flashlight start in your preferred or needed mode. The strobe function produces a high-frequency flashing light pattern. It disorients or distracts potential threats or aggressors. This USB rechargeable flashlight eliminates the need for disposable batteries. It offers a cheaper and more eco-friendly solution.

Klarus FX10 specifications

BrandKlarus
NameFX10
TypeFX10
Rating
Rated 3 / 5 based on 1448 user votes.
Launch2018
Formflashlight

Flashlights are unlike ambient or overhead lights. They let you aim the light where you need it.

Klarus FX10 / 1

Body, materials, weight, colors

Weight115 g
Length140 mm
Body diameter25.4 mm
Head diameter35 mm
Materialaluminium alloy with HAIII hard-anodized finish
Colorsblack

The flashlight weighs 115 g. It is generally comfortable to hold for a long time, and it is also easy to carry in pockets or bags. The length of a flashlight can affect how it feels in your hand and how you can grip and maneuver it. The aluminium body of the FX10 has excellent thermal conductivity. This means it can effectively dissipate heat generated by the flashlight's components. The HAIII coating resists corrosion well. It shields the aluminum from moisture, humidity, and other corrosive elements. The FX10 flashlight comes in a stylish black color.

Klarus FX10 / 2

System, LED, lens, reflector

EmitterCree XP-L HI LED
Color temperature6500 K
ReflectorSMO
Lensconvex, polycarbonate
Switchelectronic side, mechanical rear, mode pedal 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 smooth reflector creates a well-defined hotspot at the center. This hotspot provides a concentrated beam for long-range use. The FX10 flashlight has multiple switch options. They can be useful, adding versatility and convenience to using the flashlight.

Some flashlights with electronic switches have programmable features. They allow users to customize the behavior of the flashlight. Mechanical switches are usually robust. They resist wear and tear and work in many environments. The FX10 flashlight has a rear switch. Its operation is usually simple and easy to understand.

Performance, flux, intensity, throw

Flux1000 lm
Intensity22500 cd
Throw300 m
CD/LM factor22.5

With 1000 lm, the FX10 flashlight will offer a brighter and more powerful beam of light. The FX10 flashlight has 22500 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

Modes4 modes
Mode memoryyes
Ramping modeno
Strobeyes
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. You can use Strobe for signaling purposes. It can also be used for self-defense or to attract attention in emergency situations. The FX10's SOS mode produces a specific sequence of long and short flashes. It signals distress or emergency.

Features, battery, protections

Battery1 x 18650 Li-Ion battery
Battery indicatoryes
Charger portmicroUSB
LVPyes
Thermal regulationyes
ProtectionIPx8
AUX LEDsno
Magneticno
Specialszoomable

The FX10 flashlight utilizes 1 x 18650 Li-Ion battery as its power source. The battery indicator helps users check the battery status. It also estimates how much runtime they have left before recharging the battery. The built-in charger allows for convenient and versatile charging. You can use various USB power sources to recharge the battery. The flashlight detects when the battery's voltage has dropped to a certain level. Then, it reduces or cuts off the power.

The FX10 has thermal protection feature. These mechanisms track and regulate the flashlight's temperature as it operates. The "8" in the IPx8 rating means the highest level of protection. It is against water ingress.

Accessories, package contents

Package contents18650 battery
lanyard
microUSB cable
nylon holster
spare o-ring

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 holster keeps your flashlight secure. It provides a reliable and easy way to do this when not in use. Securing the flashlight with a lanyard frees up your hands for other tasks. It keeps the flashlight within reach. 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 FX10 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 Klarus 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
  • side switch
  • tactical switch
  • adequate performance
  • super bright
  • multiple modes
  • mode memory
  • tactical strobe
  • SOS/beacon function
  • battery indicator
  • USB charger
  • low-voltage protection
  • thermal regulation
  • waterproof
  • battery included
  • protective holster

Cons

  • cool light
  • convex lens
  • no auxiliary LEDs
  • non-magnetic
  • zoomable

Photos

Klarus FX10 / FX10 photo 1.
Klarus FX10 / FX10 photo 2.
Klarus FX10 / FX10 photo 3.
Klarus FX10 / FX10

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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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