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 a key tool in many situations. It's used for everyday tasks, outdoor adventures, emergencies, and professional work. 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 1.
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Lumintop PK21 / PK21

We base the specifications below on the official data published by the manufacturer, while also considering user reviews. If you found an error or something lacking in the specifications for the Lumintop PK21, then tell us.

Lumintop PK21 (PK21) specifications

Rated 4 / 5 based on 442 user votes.

The PK21 flashlight enhances safety. It illuminates hazards and improves visibility in low light.


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

This 374 g flashlight might feel relatively heavy if held in hand. A smaller flashlight is easier to carry in a pocket, bag, or pouch. This makes it more convenient for everyday use or when you're on the go. The aluminium body of the PK21 has a reputation for being durable and strong. It offers excellent resistance to impacts, scratches, and corrosion. Flashlight makers widely use HAIII coating. It is durable, resists corrosion, and improves grip. It also looks good. The PK21 flashlight is available in black.


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

Cree is a US-based LED manufacturer. It is well-regarded for its high-quality products and innovation in lighting. Color temperature is a characteristic of light. It is used to quantify the color appearance of light sources. The PK21 has an orange peel (OP) textured reflector. Orange peel reflectors have smoother beams. The coating is thin and applied to the lens surface. It cuts reflections and boosts light transmission. The flashlight has electronic switches. They have many benefits and extra features compared to mechanical switches.


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

The PK21 flashlight has 8100 lm. It will provide an exceptionally bright and powerful beam of light. 360300 cd represents an extraordinarily high level of brightness. The throw is the distance in meters at which the flashlight produces a light intensity of 0.25 lux. The cd/lm factor is the candela-to-lumen ratio. It shows how concentrated a light source's output is.


Mode memoryyes
Ramping modeyes

The Anduril firmware is an open-source firmware developed for flashlights. The design offers advanced control and customization options. 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. The PK21's ramping mode is easy to use. It lets you smoothly change the output over its whole range. The PK21 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 flashes Morse code so you can signal for help when needed.


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 a built-in charger. It works with a USB power source. This flashlight has built-in low voltage protection (LVP). It prevents damage from over-discharge, so it doesn't need protected cells. The built-in thermal control adjusts brightness output to prevent overheating.

The "6" in the IP68 rating shows the level of protection. It's against solid objects, like dust and foreign particles. The "8" in the IP68 rating means the highest level of protection. It is against water ingress. The flashlight's impact resistance is its ability to withstand physical shocks. It can accomplish this without sustaining any damage.

According to the ANSI/NEMA FL1 Standard, we measure the performance of the Lumintop PK21 flashlight 30 seconds after switching on the light. The ANSI/NEMA FL1 2009 Standard is a set of flashlight performance guidelines.

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