Lumintop PK21 8100lm In-depth review, Pros and Cons

1 x Cree XHP70.3 LED
8100 lm output
360300 cd intensity
2 x 21700 Li-Ion batteries

The Lumintop PK21 (PK21) released in 2022. It uses 1 x Cree XHP70.3 LED, OP reflector and 2 x 21700 Li-Ion batteries. The powerful emitter in this flashlight provides up to 8100 lm output, 360300 cd intensity, and a beam distance of 1200 m.

The PK21 flashlight is an indispensable tool in various situations, from everyday tasks and outdoor adventures to emergency preparedness and professional use. The memory function is a nice feature, the light will remember the last used mode. It has a strobe function, which is one of the most effective self defense tools available. The flashlight is rechargeable easily via USB port.

Lumintop PK21 (PK21) pictures

Lumintop PK21 / PK21 photo
Lumintop PK21 / PK21 photo
Lumintop PK21 / PK21 photo
Lumintop PK21 / PK21 photo
Lumintop PK21 / PK21 photo
Lumintop PK21 / PK21 photo
Lumintop PK21 / PK21 photo
Lumintop PK21 / PK21 photo
Lumintop PK21 / PK21

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 Lumintop PK21, then don’t hesite and signal the problem to us.

Lumintop PK21 (PK21) specifications

Rated 4/5 based on 295 user votes.

The PK21 flashlight enhances safety by illuminating potential hazards and improving visibility in low-light conditions.


Weight374 g
Length251 mm
Body diameter29 mm
Head diameter68 mm
Materialaluminium alloy with HAIII hard-anodized finish

This 374 g flashlight would be considered relatively heavy for a handheld flashlight. Flashlights in this weight range may have features like extended battery life, intense brightness, or rugged construction for heavy-duty use. The length of the PK21 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 body of PK21 is known for its durability and strength. It offers excellent resistance to impacts, scratches, and corrosion, making it suitable for rugged outdoor use or in demanding environments. HAIII coating is widely used in the flashlight industry due to its durability, corrosion resistance, improved grip, and aesthetic appeal. The PK21 flashlight is available in black.


Emitter1 x Cree XHP70.3 LED
Color temperature6000 K
LensAR coated glass
Switchelectronic side

The emitter of PK21 manufactured by Cree, a US-based LED manufacturing company. Cree is a well-regarded LED manufacturer known for its high-quality products and innovation in the lighting industry. Color temperature is a characteristic of light. It is measured in units called Kelvin (K) and is used to quantify the color appearance of light sources, particularly white light. The PK21 has an orange peel (OP) textured reflector. Orange peel reflectors have smoother beams.

This flashlight has an AR coated lens. This Anti-Reflective coating is a thin optical coating applied to the surface of the lens to minimize reflections and improve light transmission. The PK21 utilizes electronic switch. Electronic switches on flashlights provide a range of advantages and additional features compared to mechanical switches.


Flux8100 lm
Intensity360300 cd
Throw1200 m
CD/LM factor44.48

With 8100 lm, the PK21 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. 360300 cd represents an extraordinarily high level of brightness. The throw is the calculated distance in meters at which the flashlight produces a light intensity of 0.25 lux. The cd/lm factor (candela-to-lumen ratio) provides information about how concentrated or focused the light output of a light source is. A higher cd/lm ratio indicates that the light is more concentrated in a specific direction, while a lower ratio indicates a more diffused or spread-out light output.


Mode memoryyes
Ramping modeyes

The Anduril firmware is an open-source firmware developed for flashlights. It is designed to provide advanced control and customization options, offering a high degree of flexibility and functionality. The PK21 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. The ramping mode of the PK21 is intuitive, and lets you seamlessly ramp the output up and down over almost the entire output range.

The PK21 is tactical strobe ready. The strobe light is disorienting to the person it is aimed at which makes it difficult for them to concentrate. It has the SOS beacon function for an emergency situation. The SOS flashes Morse code so you can signal for help when needed. The SOS signal is recognized as an international distress call and is used to indicate an urgent need for assistance.


Battery2 x 21700 Li-Ion batteries
Battery indicatoryes
Charger portUSB Type-C
Thermal regulationyes
Impact resistance1.5 m

The Lumintop PK21 flashlight is powered by 2 x 21700 Li-Ion batteries. The battery indicator lets you know when the battery is low, charging, or fully charged. This flashlight can charge the battery with an integrated charger, and it works with a USB power source. This flashlight has a built-in low voltage protection (LVP) to prevent damage to the cell from over-discharge, so protected cells are not necessary.

The built-in thermal control automatically adjusts brightness output to prevent overheating. The "6" in the IP68 rating represents the level of protection against solid objects, specifically dust and foreign particles. It indicates that the PK21 flashlight, is fully protected against the entry of dust and other solid objects. The "8" in the IP68 rating indicates the highest level of protection against water ingress. The PK21 flashlight proudly boasts an exceptional impact resistance rating of 1.5 m.

The performance of the Lumintop PK21 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.

Lumintop PK21 (PK21) comparisons

According to our statistics, the Lumintop PK21 flashlight was most often compared on our site with the following flashlights.

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