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  3. UC3A vs E04R

Acebeam UC3A vs Fenix E04R

What UC3A does better (4) and where E04R wins (1) — every spec side by side.

Acebeam UC3A
Acebeam · 2026UC3A
4.8Score
4 advantages≈ $35
Higher score
vs
Fenix E04R
Fenix · 2026E04R
4.5Score
1 advantage≈ $30
2.7Brightness & throw2.3
3.5Battery & charging4.8
9.2Build & durability5.4

Why is UC3A better than E04R?

  1. Maximum output900 lm vs 300 lm3×
  2. Beam distance (ANSI FL1)85 m vs 46 m+85%
  3. Peak beam intensity1,810 cd vs 530 cd3.4×
  4. Water protection (IPx)IPx8 vs IPx6+33%

Why is E04R better than UC3A?

  1. Weight63 g vs 41 g+54%
Specifications

Side by side

Acebeam UC3AAcebeam UC3A≈ $354.8
Fenix E04RFenix E04R≈ $304.5
Light output
Maximum output900 lm300 lm
Peak beam intensity1,810 cd530 cd
Beam distance (ANSI FL1)85 m46 m
Light sourceLEDLED
LED & beam
LED emitterLuminus SST-36Luminus SST-12
LED makerLuminusLuminus
Number of LEDs36—
Colour temperature6,500K6,500K
Battery & charging
Battery10440 Li-ion, AAABuilt-in Li-ion / Li-Po
Battery capacity400 mAh400 mAh
Maximum runtime—87 h
RechargeableYesYes
USB-C chargingYesYes
Battery level indicator—Yes
Also runs on AA/AAA/CR123AYes—
Build & durability
Protection ratingIP68IP66
Water protection (IPx)IPx8IPx6
Magnetic tail / baseYes—
Pocket clip—Yes
Size & weight
Length / height71.5 mm58.5 mm
Head diameter / width—30 mm
Body diameter / depth—29.8 mm
Weight63 g41 g
Modes & features
Switch—Dual switches
Red light—Yes
Green / blue / RGB lightYesYes
Lockout—Yes
Mode memory—Yes
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