This Richroc 3KW 220V Pneumatic Pulse Battery Spot Welder has been tested, and has been found to be faulty. Cosmetically this unit has some minor marks and scratches.

Missing welding tip.
Missing Air Filter & Pressure Regulator.
Mode button cracking.

The Richroc 3KW Pneumatic Pulse Battery Spot Welder is a specialized industrial tool engineered for the precision fabrication of lithium-ion battery packs. Operating on a high-power 220V system, this machine utilizes an advanced digital control panel to deliver adjustable microsecond electrical pulses that reliably fuse conductive nickel tabs onto battery terminals without creating excessive, damaging heat. Its defining feature is a pneumatic drive mechanism that requires an external compressed air supply to actuate the welding head, ensuring identical, machine-regulated downward pressure for highly consistent weld joints across large-scale assembly runs.