SUNKKO SPOT WELDING MACHINE 737U

SUNKKO 737U Battery Spot Welder - Precision Welding & USB Charging

Product Data Sheet

The SUNKKO 737U is a versatile handheld battery spot welding machine designed for assembling lithium-ion battery packs, such as 18650, 14500, and 32650 cells. Combining high-power welding capabilities with integrated USB charging and testing functions, it offers a comprehensive solution for battery enthusiasts and professionals.

Key Features

• Dual Pulse Welding Modes: Offers single and double pulse options with adjustable timings:

  • Single Pulse: 0.5-5ms
  • Double Pulse: 1-10ms

• Welding Capacity: Suitable for welding nickel strips up to 0.15mm thick, accommodating both pure nickel and nickel-plated steel.

• Integrated USB Charging & Testing:

  • Three USB ports for charging devices.
  • Charging output: 4.2V at 3A.
  • Testing and charging capabilities for single lithium batteries.

• Adjustable Settings:

  • Welding current: 50-800A.
  • Pressure adjustment for welding needles.
  • LED light for visibility during operation.

• Compact & Portable Design:

  • Dimensions: 245mm x 140mm x 200mm.
  • Weight: 5.5kg.

Technical Specifications

• Input Voltage AC 110V/220V ±10%
• Power Output 2.8KW (Instantaneous)
• Welding Thickness 0.05-0.15mm
• Pulse Time (Single) 0.5-5ms
• Pulse Time (Double) 1-10ms
• Output Voltage 5V
• Output Current 0-3A (Max)
• Charging Output 4.2V at 3A
• Dimensions 245mm x 140mm x 200mm
• Weight 5.5kg

Applications

• Battery Pack Assembly: Ideal for assembling 18650, 14500, and 32650 lithium-ion battery packs.

• Nickel Strip Welding: Suitable for welding nickel strips up to 0.15mm thick.

• Device Charging: Utilize the USB ports for charging devices or testing single lithium batteries.

• DIY Projects: Perfect for hobbyists and professionals working on custom battery solutions.

The SUNKKO 737U spot welding machine is a reliable and efficient tool for assembling lithium-ion battery packs. With its adjustable settings, dual pulse modes, and integrated USB charging functions, it caters to both professionals and hobbyists seeking precision in their welding tasks.