| Model | SW1600 | SW2500 |
| Rated input voltage | 1ph, 230V±15% | 1ph, 230V±15% |
| Welding Scope | 2-8mm | 2-10mm |
| Welding Material | Carbon Steel, Stainless Steel, Low-alloy Steel | |
| Welding Time | 1ms – 3ms | |
| Welding Speed | Max 40 p/min | |
| Capacitor Capacity | 72000uf | 108000uf |
| Welding Energy | 1600W | 2500W |
| Charging Voltage | Stepless Regulation 35-200V | |
| Power Mode | Capacitor Energy Storage | |
| Protection Class | IP31 | |
| Weight | 13Kg | 15Kg |
| Packing Dimension | 380x360x170mm | |