Feature:1. Overcurrent Capability: The ultra thick copper tube (10AWG wire) ensures excessive current capability and durability, and greatly improves the efficiency of spot welding.2. 8 Levels Power Adjustable: The spot welder has button power adjustment, 8 levels power adjustable, easy to use.3. Digital Display: Equipped with a digital display control panel, the digital tube display is clearer.4. Excellent Performance: Using fine workmanship, with excellent performance, high frequency capacitor, low internal resistance, high temperature resistance.5. Premium Materials: Made of PCB and copper, it is strong, durable, not easy to be damaged, and has a long service life.Specification:Item Type: Portable Spot WelderMaterial: PCB, CopperWorking Voltage: 12vWelding Material: 0.1-0.15mm Nickel Sheet Spot WeldingWeldable Battery: Nimh Battery, Ni Cd Battery, 18650/26650/32650 and Other Cylindrical Lithium BatteriesCommon Working Power: Car Starting Power, Lithium Battery, Leadacid Battery, Model Aircraft Battery.Package List:1 x Control Panel2 x Power Cord2 x Welding Wires2 x Rubber Sleeves2 x Nickel Sheets4 x Screws4 x Nuts