HWASHI WL-EE-25K Economical Energy Efficient AC Spot Welder Low No-Load Loss Transformer Design for General Metal Fabrication Workshop Product Overview HWASHI WL-EE-25K economical energy efficient AC spot welder with low no-load loss transformer design for general metal fabrication workshops. Optimized core lamination and copper winding reduces no-load power loss by 45% compared to conventional AC welders delivering significant electricity savings for small and medium