Fenix LR40R 12000lm In-depth review, Pros and Cons

1 x Cree XP-L HI LED, 18 x Cree XP-G3 LEDs
12000 lm output
149382 cd intensity
4 x 18650 Li-Ion batteries

The Fenix LR40R (LR40R) released in 2019. It uses 1 x Cree XP-L HI LED, 18 x Cree XP-G3 LEDs, SMO reflector and 4 x 18650 Li-Ion batteries. The powerful emitter in this flashlight provides up to 12000 lm output, 149382 cd intensity, and a beam distance of 773 m.

The LR40R flashlight offers a versatile lighting solution. This light has 4 + 5 modes of lighting. You don't have to cycle through many modes to find what you want. The LR40R's mode memory makes the flashlight start in your preferred or needed mode. The strobe function produces a high-frequency flashing light pattern. It disorients or distracts potential threats or aggressors. The flashlight is rechargeable easily via USB port.

Fenix LR40R (LR40R) pictures

Fenix LR40R / LR40R photo 1.
Fenix LR40R / LR40R photo 2.
Fenix LR40R / LR40R photo 3.
Fenix LR40R / LR40R

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 Fenix LR40R, then tell us.

Fenix LR40R (LR40R) specifications

Rated 4 / 5 based on 1393 user votes.

The LR40R flashlight enhances safety. It illuminates hazards and improves visibility in low light.


Weight500 g
Length154 mm
Body diameter51 mm
Head diameter80 mm
Materialaluminium alloy with HAIII hard-anodized finish

This 500 g flashlight is quite heavy for a handheld flashlight. A balanced flashlight has even weight. It can be more comfortable to hold for longer and reduce hand fatigue. The aluminium body of the LR40R has a reputation for being durable and strong. It offers excellent resistance to impacts, scratches, and corrosion. The HAIII coating resists corrosion well. It shields the aluminum from moisture, humidity, and other corrosive elements. The LR40R flashlight is available in black.


Emitter1 x Cree XP-L HI LED, 18 x Cree XP-G3 LEDs
Color temperature5500 K
LensAR coated glass
Switchdual electronic 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 smooth reflector creates a well-defined hotspot at the center. This hotspot provides a concentrated beam for long-range use. The coating is thin and applied to the lens surface. It cuts reflections and boosts light transmission. Some flashlights with electronic switches have programmable features. They allow users to customize the behavior of the flashlight.


Flux12000 lm
Intensity149382 cd
Throw773 m
CD/LM factor12.45

Flashlights with very high lumen outputs demand a substantial amount of power. The flashlight has 149382 cd. It will provide a strong beam of light. This light can illuminate objects or areas with great brightness and clarity. The throw is the distance in meters at which the flashlight produces a light intensity of 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.


Modes4 + 5 modes
Mode memoryyes
Ramping modeno

A flashlight's modes are different output settings or brightness levels. They can be chosen to meet different needs and preferences. 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 LR40R flashlight has a strobe function. It produces a rapid, repetitive flashing of light. The SOS signal is commonly used in outdoor adventures or survival scenarios.


Battery4 x 18650 Li-Ion batteries
Battery indicatoryes
Charger portUSB Type-C
Thermal regulationyes

The LR40R flashlight utilizes 4 x 18650 Li-Ion batteries as its power source. A battery indicator lets users see the battery status. It helps them decide when to recharge or replace the battery. A flashlight's USB charger can be very useful. This is especially true in emergencies. In such situations, access to power outlets may be limited. This flashlight has built-in low voltage protection (LVP). It prevents damage from over-discharge, so it doesn't need protected cells.

The LR40R has thermal protection feature. These mechanisms track and regulate the flashlight's temperature as it operates. 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.


Package contentsUSB Type-C cable
battery pack
nylon holster
spare o-ring

The included battery lets you immediately use the flashlight for your desired applications. It saves time and allows you to focus on your tasks or activities. The package includes a holster to safely store your flashlight. When gripping the flashlight with the lanyard around your wrist, it gives a more secure hold. It also gives a more stable hold. Instead of searching for matching O-rings, having spare O-rings allows quick fixes.

According to the ANSI/NEMA FL1 Standard, we measure the performance of the Fenix LR40R flashlight 30 seconds after switching on the light. The ANSI/NEMA FL1 2009 Standard is a set of flashlight performance guidelines.

If there’s information about the Fenix LR40R that you would like to see on this site, then write to us.

FlashlightChart.com / Flashlights / Fenix / Fenix LR40R (2019)