Sunkko 737G+

The 737G+ is an upgraded solution built for superior performance and accuracy. With advanced technology and improved efficiency, it delivers stable operation, strong results, and long-lasting reliability—ideal for both professional and high-demand applications.
Sunkko 737G professional battery spot welder for 18650 battery packs

Sunkko 737G+

AC SPOT WELDING MACHINES
Next-Level Power, Enhanced Precision

The 737G+ is an upgraded solution built for superior performance and accuracy. With advanced technology and improved efficiency, it delivers stable operation, strong results, and long-lasting reliability—ideal for both professional and high-demand applications.

Key Specifications

Model name
737G+
Power supply
AC 110V/220V±20V
Output power
4.3KW (Max.)
Welding current
120~1200A

Key Features

  • Microcomputer control for stable operation.
  • Precise microchip current adjustment.
  • Wide current range with single/double pulse modes.
  • Simple parameter setting with display.
  • Adjustable welding pressure for precise results.

Applications

  • Lithium battery pack
  • Strain gauge
  • Stainless steel mesh
  • Circuit board
  • Portable charger

Technical Specifications

Double pulses time1~10ms
4 Pulses time2~20ms
8 Pulses time8~80ms
Welding thickness0.15-0.35mm (Fixed head) / 0.05-0.2mm (spot welding pen)
Welding needle spacingWelding needle spacing:
Welding pen cable area16mm²
Size of welding pinØ1.5mmX7mm

Downloads & Documentation

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