Spot Welding Electrodes | 3mm Purple Copper Oxide Tips for 18650 Battery Packs

Engineered for precision and durability, these 3MM Purple Copper Oxide electrode heads deliver superior conductivity and heat resistance for reliable 18650 battery spot welding. The double-head design ensures consistent, high-quality welds with minimal tip degradation, making them an excellent value for professionals and DIY enthusiasts seeking reliable performance without premium pricing. Features and Benefits - 3MM Purple Copper Oxide Construction - Offers exceptional electrical conductivity and high-temperature resistance for cleaner, stronger welds and extended tip life. - Double-Head Spot Welding Needle Design - Provides two usable ends per needle, doubling value and reducing downtime for tip changes during intensive projects. - Precision 3MM Diameter Tip - Ensures accurate, focused energy delivery for perfect welds on 18650 battery tabs and other small nickel strips. - Optimized for 18650 Power Batteries - Specifically shaped and sized to create secure, low-resistance connections critical for safe battery pack assembly. - Available in 2, 5, or 10-Pack Options - Choose the quantity that matches your project scale, from occasional repairs to high-volume production work. Applications - Custom Lithium-Ion Battery Pack Assembly - Build or repair power tool batteries, EV battery modules, and solar storage packs with reliable, high-current connections. - RC Hobby and Drone Battery Maintenance - Perfect for creating compact, high-discharge battery packs for drones, planes, and other radio-controlled vehicles. - Portable Power Bank and Device Repair - Securely weld nickel strips to replace damaged cells in power banks, laptops, and other portable electronics. - DIY Powerwall and Energy Storage Projects - Assemble large-scale battery banks for home solar systems or backup power with consistent, professional-grade welds.