Features: 1.The high frequency inverter energy storage super capacitor discharge technology eliminates the interference to the AC power supply, no switch tripping situation. 2.Unique real-time display of welding pulse current, which can monitor each welding current and avoid virtual welding of welding points. 3.The energy gathering pulse formation technology controlled by the microcomputer chip ensures the formation of reliable solder nuggets in milliseconds. 4.Automotive-grade large-capacity low-resistance super energy storage capacitors support the output of energy-gathering pulses up to 21KW. 5.The "aluminum-nickel" welding selection mode is specially used for the aluminum electrode transfer welding pure nickel sheet of the iron. lithium power battery