Inverter Technology: Utilizes advanced IGBT (Insulated Gate Bipolar Transistor) technology, which makes the machine more energy-efficient and compact compared to traditional transformer-based welders.Current Range: These models typically offer a broad current range, often between 20A and 400A (or up to 500A depending on the specific model), allowing for precision across different material thicknesses.Portability: Weighing approximately 4.2kg to 6kg, the machine features a durable handle and a compact design, making it suitable for on-site professional work or home use.Performance: It is rated for high efficiency (around 85%) and features a high duty cycle, allowing for prolonged use even in demanding conditions.