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Nitecore

Nitecore E4K flashlight review

4 x Cree XP-L2 V6 LEDs
4400 lm output
11100 cd intensity
1 x 21700 Li-Ion battery

The Nitecore E4K flashlight was released in 2020. It uses 4 x Cree XP-L2 V6 LEDs, SMO reflector and 1 x 21700 Li-Ion battery. The powerful emitter in this flashlight provides up to 4400 lm output, 11100 cd intensity, and a beam distance of 211 m.

Curious if the E4K shines bright? You'll find out soon!

Table of Contents

  • Nitecore E4K 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.

Nitecore E4K / E4K

The E4K is a powerful and reliable flashlight. It has impressive illumination and durable construction. This light has 5 modes of lighting. With mode memory, when you turn off the E4K and then turn it back on, it will activate the last used mode. The strobe function produces a high-frequency flashing light pattern.

Nitecore E4K specifications

BrandNitecore
NameE4K
TypeE4K
Rating
Rated 3 / 5 based on 1547 user votes.
Launch2020
Formflashlight

This Nitecore flashlight offers portability, versatility, and reliability.

Nitecore E4K / 2

Body, materials, weight, colors

Weight80 g
Length117.6 mm
Head diameter28.6 mm
Materialaluminium alloy with HAIII hard-anodized finish
Colorsblack

An extremely lightweight handheld flashlight weighs 80 g. 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 E4K flashlight. HAIII is a specific anodizing process, it creates a thicker and harder oxide layer than regular anodizing. This flashlight comes in a sleek black color option.

Nitecore E4K / 4

System, LED, lens, reflector

Emitter4 x Cree XP-L2 V6 LEDs
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 E4K uses a smooth reflector. A smooth reflector has a polished, mirror-like surface. The AR coating of the lens helps to reduce reflections. Some flashlights with electronic switches have programmable features.

Nitecore E4K / 3

Performance, flux, intensity, throw

Flux4400 lm
Intensity11100 cd
Throw211 m
CD/LM factor2.52

The E4K flashlight has 4400 lm. It will provide an exceptionally bright and powerful beam of light. The E4K flashlight has 11100 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.

Nitecore E4K / 1

Software, user interface, modes

Modes5 modes
Mode memoryyes
Ramping modeno
Strobeyes
SOS/Beaconyes

A flashlight's modes are different output settings or brightness levels. The flashlight has mode memory. It remembers the mode you were using when the light was last turned off. The E4K 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.

Features, battery, protections

Battery1 x 21700 Li-Ion battery
Battery indicatoryes
Charger portno
LVPyes
Thermal regulationyes
ProtectionIP68
AUX LEDsno
Magneticno

The E4K flashlight utilizes 1 x 21700 Li-Ion battery as its power source. The battery indicator lets you know when the battery is low, charging, or fully charged. The E4K doesn't have charger port. LVP (Low Voltage Protection) is designed to protect the battery. The thermal protection feature helps prevent overheating. The "6" in the IP68 rating shows the level of protection. The flashlight has an IP68 rating. It can withstand being submerged in water beyond 1 meter for a prolonged period.

Accessories, package contents

Package contents21700 battery with USB Type-C
CR123 battery magazine
USB Type-C cable
clip
lanyard
nylon holster
spare o-ring

The included battery is picked by the manufacturer. The package includes a holster, it is designed to protectively store your flashlight. The clip allows you to attach this flashlight to a belt, pocket, backpack, or other items. The lanyard prevents accidental loss of the flashlight. Instead of searching for matching O-rings, having spare O-rings allows quick fixes.

Official sitehttps://flashlight.nitecore.com/

Conclusion, pros and cons

This Nitecore 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
  • strong flux
  • multiple modes
  • mode memory
  • tactical strobe
  • SOS/beacon function
  • battery indicator
  • low-voltage protection
  • thermal regulation
  • dust protected
  • waterproof
  • battery included
  • protective holster
  • clip

Cons

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

Photos

Nitecore E4K / E4K photo 1.
Nitecore E4K / E4K photo 2.
Nitecore E4K / E4K photo 3.
Nitecore E4K / E4K photo 4.
Nitecore E4K / E4K photo 5.
Nitecore E4K / E4K

Comparisons

According to our statistics, the Nitecore E4K flashlight was most often compared on our site with the following flashlights.

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Updated: May 10, 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.