LITHIOTEC Industrial Battery Technology Solutions
LITHIOTEC Industrial Battery Technology Solutions

Sunkko 73 BN-2

The Sunkko 73BN-2 spot welding pen is built for fast, accurate lithium battery welding. With adjustable pressure, instant trigger response, and high-current copper leads, it delivers clean, reliable welds for battery packs, nickel strips, and DIY electronics projects.
Sunkko 73BN-2 Battery Spot Welder Pen with Copper Welding Cables

Sunkko 73 BN-2

WELDING TOOLS
Precision Welding Power in Your Hands

The Sunkko 73BN-2 Battery Spot Welder delivers fast, precise welding for lithium battery packs and nickel strips. Its adjustable pressure, instant trigger response, and heavy-duty copper leads ensure stable performance, clean welds, and reliable results for professional technicians and DIY battery builders.

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Download Datasheet

Key Specifications

Model name
73 BN-2
Copper wire
16mm
Spacing
3 to 7mm
Suitable
18650, 21700

Key Features

  • O shaped interface
  • U shaped interface
  • Security,reliable,lightweight
  • One hand operation
  • Adjustable welding needle gap

Applications

  • Take out the soldering pen
  • Loosen the front screw
  • Lose other screw
  • Knock object with pliers

Technical Specifications

Model name 73 BN-2
Copper wire 16mm
Pins of flat welding 3 to 7mm
Pins of butt welding 0.2~0.7cm
Size 150*40*22mm
Pulse current 0~500A

Downloads & Documentation

User Manual
User Manual
2.20 KB
Technical Datasheet
Technical Datasheet
2.20 KB
CE Certificate
CE Certificate
2.20 KB
Firmware v2.0
Firmware v2.0
2.20 KB

Compare with Other Models

Specification Sunkko 73 BN-2 Sunkko LA-15L02 Sunkko S 737G Sunkko S-70A Sunkko S-73B
Model name 73 BN-2 — — S-70A S-73B
Copper wire 16mm — — — —
Pins of flat welding 3 to 7mm — — — —
Pins of butt welding 0.2~0.7cm — — — —
Size 150*40*22mm 97 * 54 * 79cm — — —
Pulse current 0~500A — — — —

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Technische Unterstützung für industrielle Lithium Ionen Batteriezellen und moderne Batteriesysteme