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  3. PD36R ACE vs P81

Fenix PD36R ACE vs Nextorch P81

What PD36R ACE does better (5) and where P81 wins (2) — every spec side by side.

Fenix PD36R ACE
Fenix · 2025PD36R ACE
7.8Score
5 advantages≈ $110
Higher score
vs
Nextorch P81
Nextorch · 2025P81
5.8Score
2 advantages≈ $95
7.2Brightness & throw7.1
6.6Battery & charging5.4
6.2Build & durability3.4
5.9Features5.9
Dimensions

Size comparison

PD36R ACEP81
30 × 1462635 × 16128.5
PD36R ACEP81Difference
Length / height146 mm161 mm−15 mm
Head diameter / width30 mm35 mm−5 mm
Body diameter / depth26 mm28.5 mm−2.5 mm
Weight182 g170 g+12 g

Drawn to the same scale from the official dimensions (front and side).

Why is PD36R ACE better than P81?

  1. Beam distance (ANSI FL1)415 m vs 370 m+12%
  2. Peak beam intensity43,060 cd vs 34,225 cd+26%
  3. Water protection (IPx)IPx8 vs IPx7+14%
  4. Maximum runtime63.4 h vs 60 h+6%
  5. Battery capacity5,000 mAh vs 4,800 mAh+4%

Why is P81 better than PD36R ACE?

  1. Maximum output3,000 lm vs 3,700 lm+23%
  2. Weight182 g vs 170 g+7%
Specifications

Side by side

Fenix PD36R ACEFenix PD36R ACE≈ $1107.8
Nextorch P81Nextorch P81≈ $955.8
Light output
Maximum output3,000 lm3,700 lm
Peak beam intensity43,060 cd34,225 cd
Beam distance (ANSI FL1)415 m370 m
Light sourceLEDLED
LED & beam
LED emitterLuminus SFT-70—
LED makerLuminus—
Colour temperature6,500K—
Battery & charging
Battery21700 Li-ion21700 Li-ion
Battery capacity5,000 mAh4,800 mAh
Maximum runtime63.4 h60 h
RechargeableYesYes
USB-C chargingYes—
Battery level indicatorYes—
Build & durability
Protection ratingIP68IPX7
Water protection (IPx)IPx8IPx7
Submersible to—1 m
Impact resistance (drop)—1 m
Body materialAluminiumAluminium
Size & weight
Length / height146 mm161 mm
Head diameter / width30 mm35 mm
Body diameter / depth26 mm28.5 mm
Weight182 g170 g
Modes & features
Switch—Dual switches
Tactical tail switch (momentary on)—Yes
StrobeYesYes
SOS / beaconYes—
Mode memoryYes—
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