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Precision AA/AAA Battery Metal Caps – Durable & Corrosion-Resistant End Caps
CATEGORY AND TAGS:Battery Accessory Parts AA & AAA Battery Metal Caps enquiry
- Specifications
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
| Parameter | AA Battery Caps | AAA Battery Caps |
|---|---|---|
| Material | Nickel-plated Steel (0.2mm) | Nickel-plated Steel (0.15mm) |
| Diameter | 14.5mm ±0.02mm | 10.5mm ±0.02mm |
| Surface Finish | Electrolytic polishing (Ra ≤0.4μm) | Mirror polish (Ra ≤0.2μm) optional |
| Salt Spray Test | 96hrs (no red rust) | 72hrs (no red rust) |
| Certifications | RoHS, REACH, ISO 9001 | RoHS, REACH, ISO 9001 |
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.