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  3. UC25 vs E40R

Acebeam UC25 vs Fenix E40R

What UC25 does better (1) and where E40R wins (5) — every spec side by side.

Acebeam UC25
Acebeam · 2025UC25
5.1Score
1 advantage≈ $110
vs
Fenix E40R
Fenix · 2026E40R
7.6Score
5 advantages≈ $110
Higher score
4.6Brightness & throw6.0
6.5Battery & charging8.4
3.7Build & durability5.6
5.9Features5.9

Why is UC25 better than E40R?

  1. Weight138 g vs 220 g+59%

Why is E40R better than UC25?

  1. Maximum output3,100 lm vs 5,000 lm+61%
  2. Peak beam intensity7,569 cd vs 14,640 cd+93%
  3. Beam distance (ANSI FL1)174 m vs 242 m+39%
  4. Water protection (IPx)IPx5 vs IPx8+60%
  5. Maximum runtime72 h vs 89.5 h+24%
Specifications

Side by side

Acebeam UC25Acebeam UC25≈ $1105.1
Fenix E40RFenix E40R≈ $1107.6
Light output
Maximum output3,100 lm5,000 lm
Peak beam intensity7,569 cd14,640 cd
Beam distance (ANSI FL1)174 m242 m
Light sourceLEDLED
LED & beam
Number of LEDs—4
Colour temperature6,500K6,500K
Battery & charging
Battery—21700 Li-ion
Battery capacity—5,500 mAh
Maximum runtime72 h89.5 h
RechargeableYesYes
USB-C chargingYesYes
Battery level indicatorYesYes
Build & durability
Protection ratingIP65IP68
Water protection (IPx)IPx5IPx8
Body materialAluminium—
Magnetic tail / base—Yes
Size & weight
Length / height—138 mm
Head diameter / width—35 mm
Body diameter / depth—26.4 mm
Weight138 g220 g
Modes & features
Brightness levels—5
SwitchDual switches, Rotary / scroll wheelRotary / scroll wheel
Tactical tail switch (momentary on)Yes—
StrobeYesYes
UV lightYes—
Lockout—Yes
Mode memory—Yes
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