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SUNKKO 738AL: Spot Welder for 18650 Lithium Batteries

Brand: Sunkko

Save 11% Was: 231.24 €
206.85

VAT included (Ex VAT: 168.17 €)

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SUNKKO 738AL: Spot Welder for 18650 Lithium Batteries

The SUNKKO 738AL is a specialised pulse spot welding machine, designed for the building and repair of 18650 lithium batteries and other variants. This tool stands out for its precision, ease of use and versatility, making it a reliable solution for professionals and hobbyists involved in Li-ion battery manufacture and maintenance.

Main features

  • Pure nickel and nickel-plated welding: Capable of welding pure nickel from 0 to 0,2 mm and nickel-plated from 0 to 0,3 mm, ensuring a strong and durable bond.
  • Adjustable pulses: Allows selection from multiple pulse counts (2, 4, 6, 8, 10, 12, 14, 18) to suit different welding requirements, easily configured via touch detection.
  • Magnetic and movable head: Makes installation easier and allows flexible welding distance, ideal for larger batteries.
  • Ergonomic design: Designed to provide comfort and efficiency during extended use.
  • Optional foot switch: For greater control during spot welding.
  • Optional S-series welding pens: Expand the range of applications, including stainless steel wire welding, button-top batteries, circuit boards and more.

Technical specifications

  • Compatible with 18650, 14500, 26650, 32650 lithium batteries.
  • Use with S-70BN welding pen for battery building and stainless steel welding.
  • S-71A pen for button-top batteries, nickel strips and circuit boards.
  • S-71B pen for flexible polymer lithium batteries and 0,5 mm stainless steel butt welding.

Package contents

  • 1 x SUNKKO 738AL machine
  • 1 x magnetic welding arm
  • 1 x red copper cable
  • 1 x welding head
  • 1 x foot switch
  • 1 x 6-cell battery clip
  • 1 x mini grinder with USB cable
  • 1 x fuse tube (30A)
  • 4 x spare welding needles
  • 1 x hex key
  • 1 x welding arm fixing plate
  • 50 x nickel-plated strips (0.1x4x100mm)
  • 50 x nickel-plated strips (0.15x8x100mm)
  • 1 x user manual

Typical uses

The SUNKKO 738AL is perfect for the manufacture and repair of 18650 lithium batteries, as well as for welding metal components such as nickel and stainless steel in electronics and engineering applications. Its flexibility and precision make it suitable for building larger batteries and carrying out delicate welds on circuit boards and button cells.

Compatibility and limitations

This machine can weld stainless steel, iron and nickel, but it is not suitable for metals such as gold, silver, copper or aluminium. It is important to use the recommended welding pens for each type of application to achieve optimal results.

  • Precise welding for pure nickel (0-0,2 mm) and nickel-plated strips (0-0,3 mm).
  • Adjustable pulses (2 to 18) for different welding needs.
  • Magnetic, movable head for flexibility and easy installation.
  • Ergonomic design for comfortable, efficient use.
  • Optional foot switch for greater control.
  • Includes complete accessories: magnetic arm, clips, mini grinder, nickel-plated strips and more.

Customer Questions & Answers

What types of batteries can I weld with the SUNKKO 738AL?

The SUNKKO 738AL is mainly designed for welding 18650, 14500, 26650 and 32650 lithium batteries, as well as other Li-ion battery types.

Can I weld metals like gold or copper with this machine?

No, the SUNKKO 738AL is not suitable for welding metals such as gold, silver, copper or aluminium. It is designed for nickel, stainless steel and iron.

How are the welding pulses adjusted?

The pulses are set easily via touch detection, allowing you to select between 2 and 18 pulses depending on the welding requirements.

What accessories are included in the package?

The package includes the machine, magnetic arm, copper cable, welding head, foot switch, 6-cell clip, mini grinder with USB cable, fuse tube, spare welding needles, hex key, fixing plate and nickel-plated strips.

Is it possible to weld larger batteries with this machine?

Yes, thanks to its movable magnetic head and flexible welding distance, it is ideal for building and repairing larger batteries.

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