DIY Digital Spot Welder Controller Kit with Display and Welding Pens

Digital Spot Welder Controller Kit

Build a compact DIY battery-tab welding setup with this controller board and copper welding pens. The three-digit display and two onboard buttons provide an accessible control interface for your workbench setup.

Features

• Digital display with two control buttons
• MOSFET switching array and onboard buzzer
• Yellow power connector and bolted power input terminals
• Dedicated welding-pen output terminals
• Foot-switch interface; foot switch is not shown as included

Kit Contents

• Digital spot welder controller board
• Pair of copper welding pens with leads
• Red and black power cables with ring terminals
• Heat-shrink tubing and mounting hardware

Please note: This is a DIY controller kit, not a standalone mains-powered welding machine. An appropriate external power source is required and is not included. Input voltage, current rating and supported strip thickness must be verified before use. Observe correct polarity and use suitable protective equipment.