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html›body›main#compare1,103 models · updated Oct 23, 2026
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  3. NU21 vs Aria 1R Rgb

Nitecore NU21 vs Petzl Aria 1R Rgb

What NU21 does better (0) and where Aria 1R Rgb wins (4) — every spec side by side.

Nitecore NU21
Nitecore · 2023NU21
4.8Score
0 advantages≈ $30
vs
Petzl Aria 1R Rgb
Petzl · 2026Aria 1R Rgb
7.6Score
4 advantages≈ $50
Higher score
3.1Brightness & throw4.3
3.8Battery & charging7.3
5.5Build & durability8.8
5.9Features5.9

Why is NU21 better than Aria 1R Rgb?

NU21 has no measurable advantages in this pair.

Why is Aria 1R Rgb better than NU21?

  1. Maximum runtime37 h vs 110 h3×
  2. Beam distance (ANSI FL1)58 m vs 75 m+29%
  3. Maximum output360 lm vs 450 lm+25%
  4. Water protection (IPx)IPx6 vs IPx8+33%
Specifications

Side by side

Nitecore NU21Nitecore NU21≈ $304.8
Light output
Maximum output360 lm450 lm
Peak beam intensity840 cd—
Beam distance (ANSI FL1)58 m75 m
Light sourceLEDLED
LED & beam
Number of LEDs2—
Battery & charging
BatteryBuilt-in Li-ion / Li-PoAAA
Battery capacity500 mAh—
Maximum runtime37 h110 h
RechargeableYesYes
USB-C chargingYesYes
Battery level indicatorYes—
Build & durability
Protection ratingIP66—
Water protection (IPx)IPx6IPx8
Submersible to—2 m
Impact resistance (drop)1 m—
Body materialPlastic / polymer—
Size & weight
Weight44 g—
Modes & features
SOS / beaconYes—
Red lightYesYes
Green / blue / RGB light—Yes
LockoutYes—
Colours—Blue, Red, Green
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