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Precision AA/AAA Battery Metal Caps – Durable & Corrosion-Resistant End Caps

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バッテリーアクセサリーパーツ AA & AAA Battery Metal Caps

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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

素材: 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: 14.5んん (AA) / 10.5んん (AAA) standard (other sizes available).

🛡️ Safety Compliance

MeetsIEC 60086, UL 1642, そしてRoHS 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
素材	Nickel-plated Steel (0.2んん)	Nickel-plated Steel (0.15んん)
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

アプリケーション

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.