High-Efficiency Automatic Spot Welder: 4 Power Levels for DIY & Professional Battery Pack Welding

Product Features

• Utilizes rapid local heating and cooling of high current for efficient and precise spot welding, also known as butt welding or contact resistance welding.
• Automatically triggers welding, making it suitable for both DIY enthusiasts and professional welders.
• Compatible with various battery packs such as 12V car starting power supply, model aircraft 3S high-rate battery pack, three-string high-rate lithium battery pack, Hitachi 409003 string battery pack, and sturdy 12V 20A lead-acid batteries.
• Features a control panel for easy switching among 4 power levels with a long press for 3 seconds. A green light pulse output indicator and a buzzing sound signal each spot welding output.
• Designed to be portable, stable, reliable, and durable, ensuring a long lifespan and excellent welding outcomes.

Specifications

• System Voltage: 12-14.6V
• Working Current: 90-150A
• Recommended Battery:
  • 20-45Ah lead-acid battery with good performance and low internal resistance
  • 3.5-5.5Ah 45C 3S Lithium battery pack for model aircraft
  • 30-35Ah Rongli type 18650 battery pack
• Note: Requires a self-provided 12V battery for power supply

Package Includes

• 1 x Spot Welder PCB Circuit Board
• 1 x User Manual
• 1 x Control Panel