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html›body›main#compare1,338 models · updated Nov 10, 2026
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  3. 425 vs Aria 2R

BioLite 425 vs Petzl Aria 2R

What 425 does better (1) and where Aria 2R wins (3) — every spec side by side.

BioLite 425
BioLite · 2023425
5.6Score
1 advantage≈ $55
vs
Petzl Aria 2R
Petzl · 2023Aria 2R
6.7Score
3 advantages≈ $60
Higher score
5.5Brightness & throw5.7
5.8Battery & charging5.9
4.5Build & durability6.3

Why is 425 better than Aria 2R?

  1. Weight78 g vs 95 g+22%

Why is Aria 2R better than 425?

  1. Maximum output425 lm vs 625 lm+47%
  2. Water protection (IPx)IPx4 vs IPx7+75%
  3. Maximum runtime60 h vs 100 h+67%
Specifications

Side by side

BioLite 425BioLite 425≈ $555.6
Petzl Aria 2RPetzl Aria 2R≈ $606.7
Light output
Maximum output425 lm625 lm
Peak beam intensity—3,310 cd
Beam distance (ANSI FL1)—115 m
Runtime at maximum output—120 min
Light sourceLEDLED
Battery & charging
Battery—AAA
Battery capacity—1,250 mAh
Maximum runtime60 h100 h
Rechargeable—Yes
USB-C chargingYes—
Charging time—3 h
Battery level indicatorYesYes
Build & durability
Water protection (IPx)IPx4IPx7
Body materialPlastic / polymerPlastic / polymer
Size & weight
Weight78 g95 g
Modes & features
Colours—Yellow, Black
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