Aa & AAA Battery Metal Caps Reliable Terminal Solutions for Alkaline and Lithium Batteries Product Overview Battery metal caps(upper/lower ends) are critical components ensuring secure electrical contact and leak-proof performance in AA and AAA batteries. At MouldParts.net, we produce precision-stamped metal caps using advanced cold-forming technology, delivering unmatched consistency for high-volume battery assembly lines. Principais recursos & Benefits 🔋 Superior Conductivity & …