SPOT WELDING MACHINE (SUNKKO) 709A – High Precision Battery Welding System

Product Data Sheet

The SUNKKO 709A Spot Welding Machine is a high-precision, professional-grade welding system designed for assembling battery packs, particularly for 18650, 21700, and other cylindrical lithium-ion cells. This advanced spot welder delivers reliable, efficient, and accurate welds, ensuring the safety and longevity of your battery pack assemblies.

With adjustable pulse settings, dual power modes, and user-friendly controls, the SUNKKO 709A is the ideal solution for DIY enthusiasts, battery pack manufacturers, and professionals who require a robust and consistent spot welding system.

Key Features

• High Precision Spot Welding – Designed for 18650, 21700, and other cylindrical battery packs.
• Adjustable Pulse Settings – Fine-tune welding strength for different materials and thicknesses.
• Dual Operation Modes – Supports foot pedal and automatic welding for enhanced control.
• Durable and Reliable Build – Built with high-quality materials to withstand continuous operation.
• Integrated Battery Testing – Evaluate battery resistance and voltage directly on the machine.
• Intelligent Cooling System – Ensures heat dissipation for continuous, reliable operation.
• User-Friendly Interface – Clear, easy-to-use control panel for precise customization.

Technical Specifications

• Product Name: SUNKKO 709A Spot Welding Machine
• Input Voltage: AC 110V/220V
• Max Output Current: 800A
• Pulse Adjustment: 1-99 Levels
• Welding Thickness: 0.03 – 0.3 mm (Nickel Strips)
• Operation Modes: Automatic / Foot Pedal
• Battery Compatibility: 18650, 21700, 26650, Li-ion cells
• Cooling System: Active Air Cooling
• Dimensions: 280 x 180 x 160 mm
• Weight: 6.5 kg

Applications

The SUNKKO 709A Spot Welding Machine is versatile and ideal for various battery assembly and repair tasks:

Battery Pack Assembly

• Weld 18650, 21700, and other cylindrical lithium-ion cells with precision.

Battery Repair and Maintenance

• Ideal for fixing and reassembling battery packs in electric vehicles, power tools, and solar energy systems.

DIY Projects

• Perfect for hobbyists and professionals building custom battery configurations.

Small-Scale Production

• Suitable for small-scale battery production lines and research labs.

Why Choose the SUNKKO 709A Spot Welding Machine?

1. Precision Welding – Adjustable pulse levels allow fine-tuning for accurate and secure welds.
2. User Control – Choose between automatic and manual foot pedal modes for customized operation.
3. Wide Compatibility – Compatible with a variety of battery sizes and nickel strips.
4. Efficient Cooling – Advanced air-cooling system prevents overheating during prolonged use.
5. Durable Construction – Built with high-quality materials for long-lasting performance.

How to Use the SUNKKO 709A Spot Welding Machine

1. Setup the Machine – Ensure proper voltage input and connect the machine securely.
2. Adjust Settings – Set pulse and current levels based on the nickel strip thickness.
3. Position the Battery – Place the battery and nickel strip under the welding tips.
4. Operate the Welder – Use the automatic or foot pedal mode for precision welding.
5. Inspect the Weld – Confirm the strength and quality of the weld before final assembly.