How we scoreBlogAdvertise
html›body›main#compare791 models · updated Oct 21, 2026
  1. compoundsemi.com
  2. Compare
  3. Keylite 500 vs K4R

Acebeam Keylite 500 vs Ledlenser K4R

What Keylite 500 does better (3) and where K4R wins (2) — every spec side by side.

Acebeam Keylite 500
Acebeam · 2025Keylite 500
6.3Score
3 advantages≈ $17
vs
Ledlenser K4R
Ledlenser · 2021K4R
6.4Score
2 advantages≈ $20
Higher score
5.9Brightness & throw6.4
4.0Battery & charging2.1
7.6Build & durability8.5

Why is Keylite 500 better than K4R?

  1. Maximum output500 lm vs 120 lm4.2×
  2. Maximum runtime12 h vs 3.5 h3.4×
  3. Weight19 g vs 20 g+4%

Why is K4R better than Keylite 500?

  1. Peak beam intensity1,225 cd vs 2,450 cd2×
  2. Beam distance (ANSI FL1)70 m vs 99 m+41%
Specifications

Side by side

Ledlenser K4RLedlenser K4R≈ $206.4
Light output
Maximum output500 lm120 lm
Peak beam intensity1,225 cd2,450 cd
Beam distance (ANSI FL1)70 m99 m
Runtime at maximum output70 min—
Light sourceLEDLED
Battery & charging
Battery—Built-in Li-ion / Li-Po
Maximum runtime12 h3.5 h
RechargeableYesYes
USB-C chargingYes—
Build & durability
Protection ratingIP66IP2X
Water protection (IPx)IPx6—
Impact resistance (drop)1.5 m—
Body materialAluminiumAluminium
Size & weight
Length / height—50.8 mm
Weight19 g20 g
Modes & features
StrobeYes—
To compare: 0up to 4 models
Compare