Alumina Copper Spot Welding Needle Handheld 18650 Lithium Battery Welding Rod Double Headed
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- Alumina Copper Spot Welding Needle Handheld 18650 Lithium Battery Welding Rod Double Headed
Model: Alumina
Application: battery pack nickel strip spot welding and fixture assembly
Configuration: customizable
Certification: CE
MOQ: 1 pcs
Warranty: 1 year
Alumina Copper Spot Welding Needle Battery Special Spot Welding Needle Handheld 18650 Lithium Battery Welding Rod Double-headed Eccentric Copper Needle
1. Product Overview
Our Aluminum Oxide Copper Spot Welding Needles are high-performance, durable electrodes designed for precision welding of galvanized steel, nickel strips, aluminum alloys, stainless steel, and brass. Made from high-purity oxidation aluminum copper (Al₂O₃-Cu), these needles offer long service life, high-temperature resistance, and superior conductivity, making them ideal for industrial and battery manufacturing applications.
2. Key Features
Exceptional Durability: High spot-welding times (100,000+ cycles) with minimal wear.
Heat & Wear Resistance: Withstands extreme temperatures without sticking or deforming.
Low Electrical Resistance: Ensures efficient energy transfer for consistent weld quality.
Customizable Designs: Non-standard sizes, shapes, and colors available upon request.
Double-Ended Eccentric Design: Both ends are usable, maximizing utilization.
3. Technical Specifications
| Parameter | Specification |
|---|---|
| Material | Oxidation Aluminum Copper (Al₂O₃-Cu) |
| Color | Light Pink (custom colors available) |
| Dimensions | Customizable (standard and non-standard) |
| Key Properties | High-frequency welding, low resistance, anti-sticking |
| Temperature Range | Up to 600°C (continuous operation) |
4. Applications
- Battery Manufacturing: Welding 18650/21700/26650 nickel strips for lithium battery packs.
- Automotive Industry: Joining galvanized steel and aluminum alloys in EV components.
- Metal Fabrication: Essential for stainless steel, brass, and nickel-plated sheets.
5. Why Choose Our Welding Needles?
Precision Craftsmanship: Exquisite workmanship ensures consistent performance.
OEM Support: Tailored solutions for unique welding requirements.
✔ Fast Delivery: Quality-assured products shipped promptly from our factory.


