2Pcs 3mm 18650 Small Lithium Battery Handheld Spot Welding Pen Needle

Upgrade your DIY battery pack building and spot welding setup with our 2-Piece 3mm 18650 Lithium Battery Spot Welding Pen Electrodes. Engineered from high-grade aluminum oxide copper, these spot-welding needle tips provide exceptional thermal conductivity, wear resistance, and high current load capacity. Whether you are assembling 18650 lithium battery packs or performing precision metal welding, these durable electrode tips ensure clean, reliable welds every time.

Key Features

• 2-piece set of premium aluminum oxide copper spot-welding needle tips

• 3mm diameter specifically engineered for handheld spot welding pens and battery assembly

• High electrical and thermal conductivity prevents overheating during continuous operation

• Exceptional wear resistance ensures long-lasting durability and sharp tip retention

• Ideal for assembling 18650 lithium battery packs, nickel strip welding, and DIY electronics

Why Choose Our Spot Welding Needle Tips Unlike standard copper electrodes that mushroom, wear down quickly, and lose efficiency, these aluminum oxide copper tips maintain their structural integrity under high heat and pressure. They provide a professional-grade upgrade for custom battery spot welders.

Perfect For

• Building and repairing 18650 and 21700 lithium-ion battery packs

• Spot-welding nickel strips onto battery terminals

• DIY electronics projects, hobbyist workshops, and maker spaces

• Replacing worn-out or inefficient handheld spot welder pins

Enjoy clean welds and extended tool life with these aluminum oxide copper electrode tips.

Specifications

• Product Name: 2Pcs 3mm 18650 Lithium Battery Handheld Spot Welding Pen Needle

• Quantity: 2 Pieces per Pack

• Diameter: 3 mm

• Core Material: Aluminum Oxide Copper

• Application: Lithium Battery Pack Assembly and Spot Welding