A handheld laser welder’s power rating largely determines how thick a material it can weld in a single pass and how fast it runs. Choosing the right wattage means matching power to your thickest material, your duty cycle, and your site constraints — not simply buying the highest number.
How to Choose (step by step)

- Identify your thickest material and type (stainless, carbon steel, galvanized, aluminum, brass).
- Match power to single-pass penetration — see the table below.
- Choose cooling — air-cooled for portability/outdoor; water-cooled for continuous duty.
- Decide wire-fed vs autogenous — wire feeding for gap filling and build-up.
- Confirm site power & space — 220 V AC (lower power) or 380 V AC (3000W).
- Request a configuration recommendation with your material and throughput.
Key Specifications & Performance — Power vs Capability
| Power | Indicative max single-pass (SS) | Typical use |
|---|---|---|
| 1000W | up to ~4.5 mm | light fabrication, thin sheet |
| 1500W | up to ~6.5 mm | general sheet-metal & structural |
| 2000W | up to ~5 mm* | higher speed / continuous duty |
| 3000W | up to ~7 mm | thickest joints, heavy duty |
Figures are max single-pass and material-dependent; continuous-duty figures available on request. (2000W water-cooled is tuned for sustained continuous output; air-cooled 1500W shows a higher single-pass maximum — different duty profiles, not a like-for-like ranking.)
Overview
Still unsure? Tell us your material, thickness and weld volume and we’ll recommend a configuration. Compare ranges: 1000W–1500W · 2000W–3000W.
1-year warranty; installation, training & after-sales support available.