Folomov Pen L1 (2019) review

Nichia E21A LED
335 lm output
951 cd intensity
1 x 10900 Li-Ion battery

The Folomov Pen L1 (PENL1) released in 2019. It uses Nichia E21A LED, OP reflector and 1 x 10900 Li-Ion battery. The powerful emitter in this flashlight provides up to 335 lm output, 951 cd intensity, and a beam distance of 62 m.

This light has 5 modes of lighting. This light does not have memory function. It has a strobe function, which is one of the most effective self defense tools available.

Table of contents:

Folomov Pen L1 (PENL1) specifications

NamePen L1
Rated 3/5 based on 1011 user votes.


The aluminium body of flashlight treated with a Type III hard-anodized, anti-abrasive finish.

Weight37.3 g
Length114 mm
Head diameter14 mm
Materialaluminium alloy with HAIII hard-anodized finish


The emitter of Pen L1 manufactured by Nichia, a Japanese LED manufacturer. The Pen L1 has an orange peel (OP) textured reflector. Orange peel reflectors have smoother beams. It has an AR coated lens.

EmitterNichia E21A LED
Color temperature3000 K
LensAR coated glass
Switchmechanical rear


The throw is the calculated 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. 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.

Flux335 lm
Intensity951 cd
Throw62 m
CD/LM factor2.84


The Pen L1 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.

Modes5 modes
Mode memoryno
Ramping modeno


The Pen L1 cannot charge batteries directly. You may need an external charger to keep your battery going. 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. This light does not have temperature control feature.

Battery1 x 10900 Li-Ion battery
Battery indicatorno
Charger portno
Thermal regulationno


It comes with a battery. The battery must be fully charged before you first use your Pen L1.

Package contents10900 battery with microUSB
2 x spare o-rings
microUSB cable

The performance of the Folomov Pen L1 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.

The specifications above 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 Folomov Pen L1, then don’t hesite and signal the problem to us.

Folomov Pen L1 (PENL1) pictures

Folomov Pen L1 / PENL1 photo Folomov Pen L1 / PENL1 photo Folomov Pen L1 / PENL1 photo Folomov Pen L1 / PENL1 photo Folomov Pen L1 / PENL1 photo Folomov Pen L1 / PENL1 photo Folomov Pen L1 / PENL1 photo
Folomov Pen L1 / PENL1

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