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. AtMouldParts.net, we produce precision-stamped metal caps using advanced cold-forming technology, delivering unmatched consistency for high-volume battery assembly lines.

Key Features & Benefits

🔋 Superior Conductivity & Durability

• Material: Nickel-plated steel orcopper alloy for optimal electrical performance.
• Anti-corrosion coating withstands electrolyte exposure (pH 3–12).

⚙️ Precision Engineering

• Tight tolerance (±0.02mm) for seamless fit with battery casings.
• Custom diameters: 14.5mm (AA) / 10.5mm (AAA) standard (other sizes available).

🛡️ Safety Compliance

• MeetsIEC 60086, UL 1642, andRoHS standards.
• Burr-free edges to prevent internal short circuits.

🌍 Scalable Production

• Annual capacity: 900 million units (multi-stage progressive dies).
• Compatible with automated battery assembly systems.

Technical Specifications

Applications

• Consumer Batteries: Alkaline, lithium, and rechargeable AA/AAA cells.
• Industrial Power Packs: Emergency lighting, IoT devices, medical equipment.
• Custom Solutions: Button cell caps, specialty battery terminals.

Why Choose Our Battery Caps?

✅ Zero Defect Guarantee

• 100% automated optical inspection (AOI) for dimensional accuracy.

🚚 Global Logistics

• ready to ship in3–5 days.

🔧 Customization Support

• Prototype development in7 days with DFM feedback.