LA-15L02 Handheld Galvanometer-Type Laser Welding Machine For Lithium Battery

It uses an advanced control system and high-quality lenses and has very good stability.It can work continuously for a long time with stable welding quality.
This is the machine I use in this video:
https://www.sunkko.net/.../sunkko-la-15l02-laser-welder.html