What matters most
Prioritize fine control on thin sheet, a workflow that limits distortion, practical gun/cable ergonomics, easy cleaning capability and electrical requirements that fit the shop.
Launch-database shortlist logic
Our finder currently tends to score compact 800W/1200W systems well for auto restoration when portability and multi-function cleaning matter, but the exact material thickness should drive the result.
Do not skip safety engineering
Vehicle work adds reflective metal, complex surfaces and nearby materials. A controlled laser work area, appropriate enclosure/curtains, eyewear matched to wavelength, training and fire controls are essential.
Safety note: Handheld fiber laser welders are high-power Class 4 laser systems. Use appropriate engineering controls, laser-rated PPE, training and a controlled work area. Always follow the exact manufacturer manual.