Funnel & Volcano-Shaped Spring Sheets – Premium Contact Solution for Button Batteries
Crafted from 304/316 stainless steel, engineered for stable conductivity and long-lasting reliability
Product Overview
Our funnel-shaped and volcano-shaped spring sheets are exclusively designed for button (coin) battery assemblies, serving as critical contact components that ensure stable current transmission and secure component fixation. Made from high-grade 304 or 316 stainless steel, these spring sheets combine exceptional elasticity with superior corrosion resistance, making them ideal for high-reliability button battery applications in various industries. Whether for standard electronic devices or harsh-environment equipment, our precision-engineered spring sheets deliver consistent performance and enhance the overall lifespan of button batteries.
Key Features
- Unique Shapes for Optimal Contact: Funnel and volcano designs ensure tight, uniform contact with button battery components, minimizing contact resistance and preventing loose connections.
- Premium 304/316 Stainless Steel: 304 stainless steel offers excellent corrosion resistance for standard applications; 316 stainless steel provides enhanced resistance to aggressive electrolytes and harsh environments, suitable for high-demand scenarios.
- Exceptional Elasticity: Precision stamping and heat treatment process ensure stable elastic force, maintaining reliable contact even after repeated use.
- High Dimensional Accuracy: Strict tolerance control guarantees perfect compatibility with various button battery sizes, facilitating seamless integration into automated assembly lines.
- Long-Lasting Durability: Resistance to wear, oxidation, and electrolyte corrosion ensures extended service life, reducing maintenance and replacement costs.
Material Options
| Application |
Specification & Dimensions |
| Diameter Series 20 |
304# Stainless Steel / Φ15.4mm * Height (1.2mm±0.03) * Thickness 0.2mm |
| Diameter Series 20 |
304# Stainless Steel / Φ15.4mm * Height (1.5mm±0.03) * Thickness 0.2mm |
| Diameter Series 20 |
316# Stainless Steel / Φ15.4mm * Height (1.2mm±0.03) * Thickness 0.25mm |
| Diameter Series 24 |
304# Stainless Steel / Φ19.8 * Thickness 0.2mm * Height 1.2mm |
| Diameter Series 30 |
304# Stainless Steel / Φ24*T0.2mm |
Application Areas
Our funnel and volcano-shaped spring sheets are widely used in button battery-powered devices and manufacturing, including but not limited to:
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