... cadmium, button battery spot welder spot welding machine Multi-pulse precision spot welding machine Lithium-ion,Ni-MH, nickel-cadmium, ... metal weldingspot welding machineMulti-pulse precision spot welding machine Feature:1, Performance characteristicsUP-23 is use the ... wire, sheet metal, all kinds of metal welding3.Electric parameter Input voltage220V/50Hz(60Hz)Input current32AInput gas sourceCompressed ...