THERMOWELD - THERMOCOUPLE ATTACHMENT UNIT. CAPACITANCE DISCHARGE WELDING MACHINE MAXIMUM WIRE DIAMETER THAT CAN BE WELDED : 1.0 mm. Our Portable CapacitanceDischarge Welding Machine can perform up to 250 welds on a fully charged battery. Weight 6 kgs. (Shoulder Strap Carry Bag can be provided seperately.)