SPOT WELDING MACHINE SUNKKO 737U (b307)

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.