How we scoreBlogAdvertise
html›body›main#catalog791 models · updated Oct 21, 2026
  1. compoundsemi.com
  2. Flashlights
  3. Ledlenser
  4. K4R
Ledlenser K4R
Ledlenser K4RLedlenser K4RLedlenser K4RLedlenser K4RLedlenser K4RLedlenser K4R
LedlenserKeychain & mini light

Ledlenser K4R

Ledlenser K4R is a keychain & mini light released in 2021. Key specs: maximum output 120 lm, beam distance (ANSI FL1) 99 m, peak beam intensity 2,450 cd, maximum runtime 3.5 h.

6.4Score
Brightness & throw6.4
Battery & charging2.1
Build & durability8.5
price range$17–22
Year
2021
Popularity
#582 of 791
120 lmMaximum output
99 mBeam distance (ANSI FL1)
2,450 cdPeak beam intensity
3.5 hMaximum runtime
Built-in Li-ion / Li-PoBattery
20 gWeight
Spec guide

How it ranks among keychain & mini lights of 2021

compared with other keychain & mini lights

Why is K4R a good choice?

Beam distance (ANSI FL1): 99 mbetter than 90% of keychain & mini lights
Peak beam intensity: 2,450 cdbetter than 89% of keychain & mini lights
Weight: 20 gbetter than 80% of keychain & mini lights
Weak points
Maximum output: 120 lmworse than 79% of keychain & mini lights
Maximum runtime: 3.5 hworse than 100% of keychain & mini lights
Specifications

Full specifications

Light output
Maximum output
120 lm
Peak beam intensity
2,450 cd
Beam distance (ANSI FL1)
99 m
Light source
LED
Battery & charging
Battery
Built-in Li-ion / Li-Po
Maximum runtime
3.5 h
Rechargeable
Yes
Build & durability
Protection rating
IP2X
Body material
Aluminium
Size & weight
Length / height
50.8 mm
Weight
20 g

Specs are collected from manufacturers and open databases and normalised to one format; check details with the seller before you buy.

Similar models

Olight i3E EOS
Olight2021
i3E EOS
90 lm44 mAAA
approx. price≈ $13
6.6
Fenix E05R
Fenix2021
E05R
400 lm64 mAAA24 g
approx. price≈ $30
7.0
Wuben G2
Wuben2022
G2
500 lm28 g
approx. price≈ $19
6.8
Fenix E02R
Fenix2021
E02R
200 lm49 mAAA15 g
approx. price≈ $20
5.2
Olight i1R 2 EOS
Olight2022
i1R 2 EOS
150 lmBuilt-in Li-ion / Li-Po14 g
approx. price≈ $20
5.5
Nitecore TIKI
Nitecore2019
TIKI
300 lm71 mBuilt-in Li-ion / Li-Po12 g
6.9
Fenix E01 V2.0
Fenix2020
E01 V2.0
100 lm35 mAAA13 g
approx. price≈ $13
5.7
Olight i3T-Eos
Olight2022
i3T-Eos
180 lmAAA
approx. price≈ $17
To compare: 0up to 4 models
Compare