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  3. NU25 MCT UL vs Seek 420

Nitecore NU25 MCT UL vs Silva Seek 420

What NU25 MCT UL does better (0) and where Seek 420 wins (2) — every spec side by side.

Nitecore NU25 MCT UL
Nitecore · 2025NU25 MCT UL
6.7Score
0 advantages≈ $40
vs
Silva Seek 420
Silva · 2025Seek 420
7.5Score
2 advantages≈ $30
Higher score
5.1Brightness & throw4.7
3.5Battery & charging7.8
8.8Build & durability8.2
5.9Features5.9

Why is NU25 MCT UL better than Seek 420?

NU25 MCT UL has no measurable advantages in this pair.

Why is Seek 420 better than NU25 MCT UL?

  1. Maximum runtime45 h vs 110 h2.4×
  2. Maximum output400 lm vs 420 lm+5%
Specifications

Side by side

Silva Seek 420Silva Seek 420≈ $307.5
Light output
Maximum output400 lm420 lm
Peak beam intensity4,360 cd—
Beam distance (ANSI FL1)132 m—
Light sourceLEDLED
LED & beam
Number of LEDs—3
Colour temperature3,000K—
Adjustable colour temperatureYes—
Battery & charging
Battery—AAA
Number of batteries1—
Battery capacity700 mAh—
Maximum runtime45 h110 h
RechargeableYesYes
USB-C chargingYes—
Battery level indicatorYes—
Build & durability
Protection ratingIP66—
Water protection (IPx)IPx8IPx8
Submersible to2 m2 m
Body materialPlastic / polymerPlastic / polymer
Size & weight
Weight—92 g
Modes & features
SOS / beaconYes—
Red lightYesYes
LockoutYes—
ColoursBlackBlue
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