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  3. K1 vs P81

Acebeam K1 vs Nextorch P81

What K1 does better (3) and where P81 wins (4) — every spec side by side.

Acebeam K1
Acebeam · 2025K1
5.8Score
3 advantages≈ $90
Higher score
vs
Nextorch P81
Nextorch · 2025P81
5.8Score
4 advantages≈ $95
4.0Brightness & throw7.1
4.3Battery & charging5.4
8.6Build & durability3.4
5.9Features5.9

Why is K1 better than P81?

  1. Weight77 g vs 170 g2.2×
  2. Water protection (IPx)IPx8 vs IPx7+14%
  3. Impact resistance (drop)1.5 m vs 1 m+50%

Why is P81 better than K1?

  1. Maximum output1,000 lm vs 3,700 lm3.7×
  2. Peak beam intensity12,432 cd vs 34,225 cd2.8×
  3. Battery capacity1,000 mAh vs 4,800 mAh4.8×
  4. Beam distance (ANSI FL1)223 m vs 370 m+66%
Specifications

Side by side

Acebeam K1Acebeam K1≈ $905.8
Nextorch P81Nextorch P81≈ $955.8
Light output
Maximum output1,000 lm3,700 lm
Peak beam intensity12,432 cd34,225 cd
Beam distance (ANSI FL1)223 m370 m
Light sourceLEDLED
LED & beam
LED makerCree—
Colour temperature6,500K—
Battery & charging
Battery14500 Li-ion, AA21700 Li-ion
Battery capacity1,000 mAh4,800 mAh
Maximum runtime60 h60 h
RechargeableYesYes
USB-C chargingYes—
Also runs on AA/AAA/CR123AYes—
Build & durability
Protection ratingIP68IPX7
Water protection (IPx)IPx8IPx7
Submersible to—1 m
Impact resistance (drop)1.5 m1 m
Body materialAluminiumAluminium
Pocket clipYes—
Size & weight
Length / height—161 mm
Head diameter / width—35 mm
Body diameter / depth—28.5 mm
Weight77 g170 g
Modes & features
SwitchTail switch, Rotary / scroll wheelDual switches
Tactical tail switch (momentary on)—Yes
StrobeYesYes
UV lightYes—
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