BTL-02 Mini Spot Welder Kit Portable Digital Display Spot Welding Machine Weld Tools For 0.2mm Nickel Plated 18650 Battery Pack BTL-02 Mini Spot Welder Kit Portable Digital Display Spot Welding Machine Weld Tools For 0.2mm Nickel Plated 18650 Battery Pack. Sale price : $40.29 Category : Tools