Nitecore E4K 4400lm In-depth review, Pros and Cons
The Nitecore E4K (E4K) 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.
The E4K is an impressive flashlight that offers both power and reliability. Its robust build and outstanding illumination make it a versatile lighting instrument. This light has 5 modes of lighting. With mode memory, when you turn off the E4K and then turn it back on again, it will automatically activate the mode that was last used before it was turned off. The strobe function of E4K produces a high-frequency flashing light pattern that is designed to disorient or distract potential threats or aggressors.
Nitecore E4K (E4K) pictures
The specifications below are based on the official data published by the manufacturer, but we also take user reviews into consideration. If you found an error or something lacking in the specifications above for the Nitecore E4K, then don’t hesite and signal the problem to us.
Nitecore E4K (E4K) specifications
This Nitecore flashlight offers portability, versatility, and reliability in providing illumination.
|Head diameter||28.6 mm|
|Material||aluminium alloy with HAIII hard-anodized finish|
The 80 g flashlight would be considered extremely lightweight for a handheld flashlight. The length of the E4K flashlight can affect its portability. A shorter flashlight is generally easier to carry in a pocket, bag, or pouch, making it more convenient for everyday use or when you're on the go. Aluminium is a lightweight material, which is beneficial for E4K flashlight. Hard-Anodized Type III (HAIII) is a specific anodizing process that creates a thicker and harder oxide layer compared to regular anodizing. It involves subjecting the aluminum to a higher voltage and a sulfuric acid bath, resulting in a dense and durable coating. This flashlight comes in a sleek black color option.
|Emitter||4 x Cree XP-L2 V6 LEDs|
|Color temperature||6500 K|
|Lens||toughtened AR coated glass|
Cree LEDs are commonly used in a wide range of lighting applications. Their products are trusted by lighting professionals and have gained a strong reputation for quality and performance. The choice of color temperature depends on the specific lighting application and personal preferences. The E4K uses a smooth reflector. Unlike the textured surface of an orange peel reflector, a smooth reflector has a polished, mirror-like surface.
The AR coating of the lens helps to mitigate these reflections by altering the refractive index of the lens surface. The E4K has electronic switch. Some flashlights with electronic switches have programmable features that allow users to customize the behavior of the flashlight. This may include setting specific modes, configuring brightness levels, or enabling unique functions according to individual preferences.
With 4400 lm, the E4K flashlight will provide an exceptionally bright and powerful beam of light. It can illuminate large areas, outdoor spaces, or even act as a temporary spotlight in certain situations. The E4K flashlight with 11100 cd has an extended throw distance, allowing you to illuminate objects or areas at greater distances. This can be advantageous for outdoor activities, search and rescue operations, or scenarios where long-range visibility is required.
The throw distance refers to the maximum distance at which the flashlight can effectively illuminate an object or target. The stated throw distance typically indicates the point at which the brightness falls below a specified threshold, such as 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. Well-focused spot beams can be over 100 cd/lm, tactical flashlights are typically between 20-100 cd/lm, and work lights are less than 10 cd/lm.
Modes on a flashlight refer to different output settings or levels of brightness that can be selected to suit different needs and preferences. The E4K has mode memory. Mode memory means that the flashlight will remember the mode you were using when the light was last turned off, and when you turn it on again. Strobe mode on E4K flashlight produces a rapid, repeated flashing of light. It can be used for signaling purposes, self-defense, or attracting attention in emergency situations. SOS mode of the E4K produces a specific sequence of long and short flashes to signal distress or emergency situations. It is commonly used in outdoor adventures or survival scenarios.
|Battery||1 x 21700 Li-Ion battery|
The E4K flashlight utilizes 1 x 21700 Li-Ion battery as its power source. The E4K has a battery indicator. A battery indicator is a feature that provides information about the remaining power level of the flashlight's battery. It helps users monitor the battery status and estimate how much runtime they have left before the battery needs to be recharged or replaced. The E4K doesn't have charger port. A charger port is a designated connection point or interface where you can plug in a charger to recharge the flashlight's battery.
LVP (Low Voltage Protection) is designed to protect the battery from being over-discharged, which can lead to reduced battery life or even permanent damage. The E4K has thermal protection feature. The thermal protection mechanisms are designed to monitor and regulate the temperature of the flashlight during operation. This feature helps prevent overheating, which can be detrimental to the flashlight's performance, battery, and overall safety.
The "6" in the IP68 rating represents the level of protection against solid objects, specifically dust and foreign particles. It indicates that the E4K flashlight, is fully protected against the entry of dust and other solid objects. The E4K flashlight with IP68 rating can withstand being submerged in water beyond 1 meter for a prolonged period, typically specified by the manufacturer.
|Package contents||21700 battery with USB Type-C|
CR123 battery magazine
USB Type-C cable
The included battery is selected by the manufacturer to ensure optimal compatibility and performance with the E4K flashlight. The package comes complete with a holster designed specifically to provide a secure and protective storage solution for your flashlight. The clip is useful to keep the light secured in your pocket. The lanyard prevents accidental loss of the flashlight. Regularly replacing worn or damaged O-rings helps maintain the overall durability and performance of the flashlight.
The performance of the Nitecore E4K flashlight is measured according to the ANSI / NEMA FL1 Standard 30 seconds after switching the light on. The ANSI/NEMA FL1 2009 Standard is a set of flashlight performance guidelines.
Nitecore E4K (E4K) comparisons
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