... Multi-pulse precision spot welding machine 2 .for different battery cell sopt welding 3.can easily welding variety of metal ... Lithium-ion,Ni-MH, nickel-cadmium, button battery spot welderElectronic wire, sheet metal, all kinds of ... welding.2, The application of weldingLithium-ion battery (group), Ni-MH battery (group), nickel-cadmium battery (group), buttonbatteries. Electronic wire, sheet ...