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html›body›main#compare1,158 models · updated Oct 24, 2026
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  3. NU21 vs Aria 1

Nitecore NU21 vs Petzl Aria 1

What NU21 does better (2) and where Aria 1 wins (3) — every spec side by side.

Nitecore NU21
Nitecore · 2023NU21
4.9Score
2 advantages≈ $30
Higher score
vs
Petzl Aria 1
Petzl · 2023Aria 1
4.5Score
3 advantages≈ $35
3.1Brightness & throw3.5
5.5Build & durability5.7

Why is NU21 better than Aria 1?

  1. Weight44 g vs 105 g2.4×
  2. Maximum output360 lm vs 350 lm+3%

Why is Aria 1 better than NU21?

  1. Maximum runtime37 h vs 100 h2.7×
  2. Beam distance (ANSI FL1)58 m vs 70 m+21%
  3. Water protection (IPx)IPx6 vs IPx7+17%
Specifications

Side by side

Nitecore NU21Nitecore NU21≈ $304.9
Petzl Aria 1Petzl Aria 1≈ $354.5
Light output
Maximum output360 lm350 lm
Peak beam intensity840 cd—
Beam distance (ANSI FL1)58 m70 m
Light sourceLEDLED
LED & beam
Number of LEDs2—
Battery & charging
BatteryBuilt-in Li-ion / Li-Po—
Battery capacity500 mAh—
Maximum runtime37 h100 h
RechargeableYes—
USB-C chargingYes—
Battery level indicatorYes—
Build & durability
Protection ratingIP66—
Water protection (IPx)IPx6IPx7
Impact resistance (drop)1 m—
Body materialPlastic / polymerPlastic / polymer
Size & weight
Weight44 g105 g
Modes & features
SOS / beaconYes—
Red lightYes—
LockoutYes—
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