The 73LB is a robust spot welding head designed for use with Sunkko welding machines. It provides stable, high-speed welding with precise control, ideal for battery packs and thin metal strips.
Welds 0.2 mm pure nickel and 0.3 mm nickel.
Optional 2/4/6/8 pulse settings for different welding needs.
Touch control for quick pulse adjustment.
Industrial design for easy and user-friendly operation.
Quick-install welding pens for extended welding applications.
External foot switch for precise welding position.
Suitable for fast assembly of large battery packs.
Lithium battery pack
Single row 18650 batteries
Pouch cell
Circuit board
Button battery
| 8 Pulses time | 8~80ms |
| Telescopic arm distance | 95-160mm(adjustable) |
| Welding thickness | 0.05~0.2mm(pure nickel)/0.05~0.3mm(nickel plated) |
| Welding needle spacing | 2~7mm |
| Total length of spot welding pen | ≈580mm |
| Welding pen cable area | 16mm2 |
| Size of welding pin | ∅1.5mmX7mm |
Loading comparison…
Let’s Get Started
We provide advanced and durable battery solutions designed for industrial and commercial needs. Connect with our experts today to get the right solution for your energy requirements.
