Manker MK37 Luminus 5800lm In-depth review, Pros and Cons

Luminus SBT90.2 LED
5800 lm output
218556 cd intensity
3 x 18650 Li-Ion batteries

The Manker MK37 Luminus (MK37L) released in 2020. It uses Luminus SBT90.2 LED, TIR reflector and 3 x 18650 Li-Ion batteries. The powerful emitter in this flashlight provides up to 5800 lm output, 218556 cd intensity, and a beam distance of 935 m.

The MK37 Luminus lashlight offers a versatile lighting solution. This light has 6 modes of lighting. Instead of having to cycle through multiple modes to find the desired setting, mode memory of MK37 Luminus ensures that the flashlight starts in the mode you prefer or need. The strobe function of MK37 Luminus produces a high-frequency flashing light pattern that is designed to disorient or distract potential threats or aggressors.

Manker MK37 Luminus (MK37L) pictures

Manker MK37 Luminus / MK37L photo
Manker MK37 Luminus / MK37L photo
Manker MK37 Luminus / MK37L photo
Manker MK37 Luminus / MK37L photo
Manker MK37 Luminus / MK37L photo
Manker MK37 Luminus / MK37L photo
Manker MK37 Luminus / MK37L

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 Manker MK37 Luminus, then don’t hesite and signal the problem to us.

Manker MK37 Luminus (MK37L) specifications

NameMK37 Luminus
Rated 4/5 based on 1036 user votes.

The MK37 Luminus flashlight offers precise and focused illumination. Unlike ambient or overhead lighting sources, flashlights allow you to direct the light exactly where you need it.


Weight298 g
Length128.6 mm
Body diameter47 mm
Head diameter52.2 mm
Materialaluminium alloy with HAIII hard-anodized finish

This 298 g flashlight is not excessively heavy, but it is noticeably heavier than the average weight for handheld flashlights. The length of a flashlight can affect how it feels in your hand and how you can grip and maneuver it. A longer flashlight may provide a more substantial grip, making it easier to hold and control, especially if you have larger hands. The aluminium body of MK37 Luminus has excellent thermal conductivity, meaning it can effectively dissipate heat generated by the flashlight's components, such as the LED or battery.

The HAIII coating provides excellent corrosion resistance, protecting the underlying aluminum from exposure to moisture, humidity, and other corrosive elements. It helps maintain the appearance and functionality of the flashlight, even in harsh environments. The MK37 Luminus flashlight presents an extensive selection of vibrant colors: black, sand.


EmitterLuminus SBT90.2 LED
Color temperature6500 K
Lenstoughtened AR coated glass
Switchelectronic side

Luminus LEDs are known for their efficiency, brightness, color accuracy, and long lifespan. They offer a wide range of LED products with different characteristics to meet the diverse needs of the market. The choice of color temperature depends on the specific lighting application and personal preferences. The AR coating reduces the loss of light due to reflections, allowing more light to pass through the lens. This can increase the overall brightness and efficiency of the MK37 Luminus flashlight. The MK37 Luminus 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.


Flux5800 lm
Intensity218556 cd
Throw935 m
CD/LM factor37.68

With 5800 lm, the MK37 Luminus 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. With 218556 cd, this Manker flashlight will produce an extremely intense and powerful beam of light. It will provide an unparalleled level of brightness and visibility, capable of illuminating objects or areas with exceptional clarity even at very long distances.

The throw is the calculated distance in meters at which the flashlight produces a light intensity of 0.25 lux. Candela per lumen (cd/lm) is a measure of a flashlight's beam intensity relative to its total luminous flux or output. It quantifies the concentration of light emitted by the flashlight in relation to the total amount of light produced.


Modes6 modes
Mode memoryyes
Ramping modeno

Modes on a flashlight refer to different output settings or levels of brightness that can be selected to suit different needs and preferences. The MK37 Luminus 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 MK37 Luminus flashlight produces a rapid, repeated flashing of light. It can be used for signaling purposes, self-defense, or attracting attention in emergency situations.


Battery3 x 18650 Li-Ion batteries
Battery indicatoryes
Charger portno
Thermal regulationyes
Impact resistance1 m

The MK37 Luminus flashlight utilizes 3 x 18650 Li-Ion batteries as its power source. The MK37 Luminus 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 MK37 Luminus cannot charge batteries directly. You may need an external charger to keep your battery going.

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 built-in thermal control automatically adjusts brightness output to prevent overheating. The "8" in the IPx8 rating indicates the highest level of protection against water ingress. With an impressive impact resistance rating of 1 m, the MK37 Luminus flashlight is built to endure accidental drops or impacts, ensuring its resilience and dependable performance in demanding situations.


Package contents2 x spare o-rings
shoulder strap

Instead of searching for compatible O-rings or waiting for replacements to arrive, having spare O-rings readily available allows for convenient and immediate repairs or replacements.

The performance of the Manker MK37 Luminus 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.

Manker MK37 Luminus (MK37L) comparisons

According to our statistics, the Manker MK37 Luminus flashlight was most often compared on our site with the following flashlights.

Manker T02 (T02) Manker T02 Manker MK39 XP-G3 (MK39XPG3) Manker MK39 XP-G3 Manker T01s (T01S) Manker T01s Manker U12 (U12) Manker U12 Manker U22 II CW (U22IICW) Manker U22 II CW Manker TC02 XP-G3 (TC02XPG3) Manker TC02 XP-G3 Manker PL21 XP-G3 (PL21XPG3) Manker PL21 XP-G3 Manker MC12 (MC12) Manker MC12

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