Spot welding area is copper-nickel composite material, other areas are pure copper.

Features and specifications:

• Grade: Pure Copper

• Advantages: Strong welding, support through high current

• Size: 3P-21700-Square Spacer-23MM

• Material: Copper / Copper Nickel

• Components: 99% Pure Copper

• Use: For 21700 battery spot welding

• Copper thickness: 0.3mm

Package Content: Every 3 pieces is one unit.

(If you want to make a special copper bus shape for your battery, please contact us.)