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  3. P2 10W vs B1 20W

Acmer P2 10W vs Longer B1 20W

What P2 10W does better (4) and where B1 20W wins (2) — every spec side by side.

Acmer P2 10W
Acmer · 2023P2 10W
8.5Score
4 advantages≈ US$380
Higher score
vs
Longer B1 20W
Longer · 2023B1 20W
8.1Score
2 advantages≈ US$480
6.8Power & cutting8.1
9.2Work area8.9
6.0Safety3.2
5.0Features & ease of use3.5

Why is P2 10W better than B1 20W?

  1. Work area (surface)3,360 cm² vs 1,980 cm²+70%
  2. Air assistYes · B1 20W: No
  3. Max cutting depth – wood / plywood (one pass)30 mm vs 25 mm+20%
  4. Work area depth (Y)800 mm vs 440 mm+82%

Why is B1 20W better than P2 10W?

  1. Laser output power10 W vs 20 W2×
  2. Work area width (X)420 mm vs 450 mm+7%
Specifications

Side by side

Acmer P2 10WAcmer P2 10W≈ US$3808.5
Longer B1 20WLonger B1 20W≈ US$4808.1
General
Laser sourcesBlue diode (≈455 nm)Blue diode (≈455 nm)
Motion systemGantry (XY rails)Gantry (XY rails)
Two laser sourcesNoNo
Laser power
Laser output power10 W20 W
Work area
Work area420 × 800 mm450 × 440 mm
Work area width (X)420 mm450 mm
Work area depth (Y)800 mm440 mm
Work area (surface)3,360 cm²1,980 cm²
Work-area extension kitYesYes
Speed & cutting
Max engraving / travel speed—600 mm/s
Max cutting depth – wood / plywood (one pass)30 mm25 mm
Precision
Laser spot size—0.1 mm
Linear railsYes—
Safety
Enclosed (fully covered)NoNo
Flame / fire detectionNoNo
Emergency stop buttonYes—
Tilt / movement sensorYes—
Features
Air assistYesNo
Built-in cameraNoNo
Autofocus / auto heightNoNo
Rotary attachment support—Yes
Touchscreen / control panel—Yes
Connectivity & software
Connections—USB, SD / USB drive
Wi-Fi—No
USB—Yes
SD / TF card—Yes
Phone app control—Yes
Compatible softwareLightBurnLightBurn, LaserGRBL
LightBurn compatibleYesYes
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