Description
Atomfair 316 Stainless Steel LR41 Coin Cell Case (Special for Button Battery Research)
Product Overview
This research-grade coin cell case is precision-engineered for AG3 (LR41) button batteries, with standard dimensions of 7.85mm (diameter) × 3.6mm (thickness). Constructed from premium 316 stainless steel, it delivers enhanced corrosion resistance and ultra-high structural precision, fully meeting the stringent packaging requirements of scientific research experiments and precision testing initiatives.
Packaging & Compatibility
Standard Packaging Configuration
The product is supplied in a standard package of 100 sets per bag, optimized for laboratory inventory management, small-batch testing, and batch experimental assembly scenarios.
Broad Cross-model Compatibility
Beyond LR41/AG3 batteries, the product line is fully compatible with mainstream CR-series button batteries including CR2016, CR2025, and CR2032, providing a unified packaging solution for multi-model battery research.
Customization Options
Supports material customization with alternatives including 304 stainless steel, gold plating, aluminum coating, and Kapton finishes, tailored to meet specific conductivity, corrosion resistance, or high-temperature experimental requirements.
Complete Supporting Accessory System
To enable one-stop procurement for battery research and assembly, we offer a comprehensive range of matching components that seamlessly integrate with our LR41 coin cell cases:
- Gaskets: Multi-specification stainless steel and pure aluminum options for adjustable sealing and conduction performance
- Precision springs: Wave springs and conical springs designed to ensure stable electrode contact and stress buffering
- Custom fasteners and sealing parts (available on request)
All accessories are manufactured to strict research-grade tolerances, covering all assembly needs for button battery research and experimental projects.
Core Performance Advantages
Enhanced Corrosion Resistance
316 stainless steel construction offers superior resistance to electrochemical oxidation and chemical erosion, adapting to harsh experimental environments involving electrolytes, humidity, or corrosive gases.
Research-grade Structural Precision
High-precision machining ensures consistent dimensional tolerances, avoiding assembly gaps or contact instability that could compromise experimental data accuracy.
Stable Mechanical Performance
The rigid 316 stainless steel shell resists deformation under external pressure or vibration, maintaining packaging integrity throughout long-term cyclic tests.
Application Scenarios
Specially designed for button battery scientific research and development, this product is ideal for the following fields:
- New energy material research: Electrode material performance testing and battery reaction mechanism analysis
- Small electronic device battery validation: Performance evaluation of micro-batteries for wearables, sensors, and medical devices
- Laboratory experimental projects: Batch battery assembly for comparative testing and reliability verification
- Equipment maintenance & calibration: Replacement of precision battery components in research instruments
Quality Compliance
All 316 stainless steel components comply with ASTM A240 international standards, ensuring consistent material purity, mechanical strength, and corrosion resistance. Customized coating processes (gold plating, aluminum coating) follow ASTM B456 and ASTM B209 specifications respectively, guaranteeing compatibility with various battery systems and experimental conditions. The product’s dimensional accuracy meets ISO 286 tolerance standards, satisfying the high-precision requirements of scientific research experiments.


