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  3. UT27 vs DUO RL

Nitecore UT27 vs Petzl DUO RL

What UT27 does better (1) and where DUO RL wins (6) — every spec side by side.

Nitecore UT27
Nitecore · 2025UT27
7.4Score
1 advantage
vs
Petzl DUO RL
Petzl · 2022DUO RL
7.5Score
6 advantages≈ $580
Higher score
6.7Brightness & throw9.2
3.6Battery & charging5.8
4.8Build & durability3.3
9.2Light quality5.7

Why is UT27 better than DUO RL?

  1. Weight74 g vs 390 g5.3×

Why is DUO RL better than UT27?

  1. Maximum output800 lm vs 2,800 lm3.5×
  2. Maximum runtime14 h vs 72 h5.1×
  3. Peak beam intensity7,124 cd vs 16,260 cd2.3×
  4. Battery capacity1,500 mAh vs 3,200 mAh2.1×
  5. Beam distance (ANSI FL1)168 m vs 255 m+52%
  6. Water protection (IPx)IPx6 vs IPx7+17%
Specifications

Side by side

Petzl DUO RLPetzl DUO RL≈ $5807.5
Light output
Maximum output800 lm2,800 lm
Peak beam intensity7,124 cd16,260 cd
Beam distance (ANSI FL1)168 m255 m
Runtime at maximum output—1,080 min
Light sourceLEDLED
Adjustable focus (zoom)—Yes
LED & beam
Number of LEDs2—
Colour rendering (CRI)97—
Colour temperature3,000K—
Adjustable colour temperatureYes—
Battery & charging
BatteryAAABuilt-in Li-ion / Li-Po
Battery capacity1,500 mAh3,200 mAh
Maximum runtime14 h72 h
RechargeableYesYes
USB-C chargingYes—
Charging time—4 h
Also runs on AA/AAA/CR123AYes—
Build & durability
Protection ratingIP66IP67
Water protection (IPx)IPx6IPx7
Submersible to—1 m
Impact resistance (drop)1 m—
Body materialPlastic / polymerAluminium
Size & weight
Weight74 g390 g
Modes & features
Red lightYes—
Motion / reactive sensor—Yes
LockoutYes—
Colours—Black
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