How we scoreBlogAdvertise
html›body›main#compare791 models · updated Oct 21, 2026
  1. compoundsemi.com
  2. Compare
  3. HA11 UHE vs Seek 420

Nitecore HA11 UHE vs Silva Seek 420

What HA11 UHE does better (2) and where Seek 420 wins (2) — every spec side by side.

Nitecore HA11 UHE
Nitecore · 2024HA11 UHE
5.2Score
2 advantages≈ $20
vs
Silva Seek 420
Silva · 2025Seek 420
7.5Score
2 advantages≈ $30
Higher score
3.2Brightness & throw4.7
5.9Battery & charging7.8
5.1Build & durability8.2
5.9Features5.9

Why is HA11 UHE better than Seek 420?

  1. Weight62 g vs 92 g+48%
  2. Maximum runtime126 h vs 110 h+15%

Why is Seek 420 better than HA11 UHE?

  1. Maximum output240 lm vs 420 lm+75%
  2. Water protection (IPx)IPx6 vs IPx8+33%
Specifications

Side by side

Silva Seek 420Silva Seek 420≈ $307.5
Light output
Maximum output240 lm420 lm
Peak beam intensity2,030 cd—
Beam distance (ANSI FL1)90 m—
Light sourceLEDLED
LED & beam
Number of LEDs—3
Battery & charging
BatteryAAAAA
Battery capacity1,100 mAh—
Maximum runtime126 h110 h
RechargeableYesYes
USB-C chargingYes—
Build & durability
Protection ratingIP66—
Water protection (IPx)IPx6IPx8
Submersible to—2 m
Impact resistance (drop)1 m—
Body material—Plastic / polymer
Pocket clipYes—
Size & weight
Weight62 g92 g
Modes & features
SOS / beaconYes—
Red lightYesYes
LockoutYes—
Colours—Blue
To compare: 0up to 4 models
Compare