Mini 18650 Battery Batteries Cell Contact Spot Welder Diy Kit, Spot Welding Electrodes For Welding Machine Point 5 In 1 ,Easy to Use

Weight: 422g Output : 3.2-4.25V Output Current: 400-600A (vary depending on the welding material) Welding Capacity: 0.15mm nickel-plated steel strip, 0.1mm pure nickel strip Low Power consumption: <22uA (off standby for more than 2 years)