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html›body›main#compare1,338 models · updated Nov 10, 2026
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  3. M20K vs SRT6i

Nitecore M20K vs Nitecore SRT6i

What M20K does better (1) and where SRT6i wins (1) — every spec side by side.

Nitecore M20K
Nitecore · 2022M20K
6.7Score
1 advantage≈ $340
Higher score
vs
Nitecore SRT6i
Nitecore · 2023SRT6i
6.4Score
1 advantage
7.1Brightness & throw8.1
8.9Battery & charging7.6

Why is M20K better than SRT6i?

  1. Battery capacity9,600 mAh vs 5,000 mAh+92%

Why is SRT6i better than M20K?

  1. Maximum output2,000 lm vs 2,100 lm+5%
Specifications

Side by side

Nitecore M20KNitecore M20K≈ $3406.7
Light output
Maximum output2,000 lm2,100 lm
Peak beam intensity—65,020 cd
Beam distance (ANSI FL1)—510 m
Light sourceLEDLED
Battery & charging
BatteryBuilt-in Li-ion / Li-Po—
Number of batteries1—
Battery capacity9,600 mAh5,000 mAh
RechargeableYesYes
USB-C chargingYesYes
Build & durability
Body materialAluminium—
Size & weight
Length / height145 mm—
Head diameter / width50 mm—
Weight290 g—
Modes & features
Brightness levels—3
Switch—Tail switch
StrobeYes—
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