Battery supporting materials
CR2032 CR2025 CR2016 Coin Cell Battery Holder Sockets for Battery Testing
Item Number : FZ02
Price varies based on specs and customizations
- Compatible Cell Form Factors
- CR2016 (1.6 mm), CR2025 (2.5 mm), CR2032 (3.2 mm)
- Cell Diameter Compatibility
- 20 mm
- Packaging Standard
- 20 pcs / pack
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Product Overview


This high-performance coin cell battery holder series is engineered to provide stable, low-impedance electrical connections for the standardized CR20 series form factors, including CR2016, CR2025, and CR2032 cells. Designed specifically for advanced energy storage laboratories, material screening platforms, and electronic development environments, the fixture ensures consistent mechanical clamping and uninterrupted signal transmission. By eliminating contact variability and erratic impedance spikes, this holder provides researchers with the baseline stability required for rigorous electrochemical characterization.
Optimized for high-throughput testing and repeated sample swapping, the equipment is widely utilized across lithium-ion battery research, next-generation solid-state electrolyte development, supercapacitor characterization, and consumer electronics prototyping. Its streamlined design facilitates rapid loading and unloading without the risk of short-circuiting or physical deformation of delicate coin cell casings. Whether deployed in multi-channel battery cyclers or integrated into specialized testing jigs, this unit simplifies complex benchtop experimental setups.
Manufactured from premium, chemically resistant structural materials with high-elasticity contact terminals, the assembly maintains exceptional contact pressure over thousands of continuous testing cycles. The ruggedized build ensures dependable performance under diverse laboratory conditions, resisting degradation from ambient moisture, minor chemical trace exposure, and thermal fluctuations commonly encountered in environmental test chambers. This structural resilience guarantees repeatable, publication-grade analytical results across every test batch.
Key Features
- Optimized CR20 Form-Factor Compatibility: Precision-engineered cavity geometries accommodate standard CR2016 (1.6 mm), CR2025 (2.5 mm), and CR2032 (3.2 mm) coin cells, delivering an exact physical fit that prevents lateral shifting and cell misalignment during operation.
- Low-Impedance Contact Engineering: Highly conductive terminal contacts minimize parasitic interface resistance, preserving signal fidelity during sensitive Electrochemical Impedance Spectroscopy (EIS) and high-rate galvanostatic charge-discharge cycling.
- Effortless Tool-Free Cell Installation: The intuitive snap-fit architecture allows rapid manual insertion and tool-free extraction of coin cells, significantly reducing turnover time in high-volume research and testing laboratories.
- Fatigue-Resistant Terminal Clamping: High-grade resilient contact springs maintain uniform normal clamping force across extended testing durations, eliminating the risk of intermittent open-circuit faults during long-term cycling assessments.
- Short-Circuit Prevention Architecture: Insulated outer housing geometry protects the cell perimeter, preventing accidental bridge shorting between the positive can and negative cap during placement and routine handling.
- Thermally and Chemically Resilient Base: The durable dielectric base material demonstrates exceptional resistance to laboratory atmospheres, elevated testing temperatures, and stray volatile solvent vapors without warping or losing dimensional stability.
- Standardized Multi-Channel Integration: Formatted for easy mounting onto test boards, multi-channel battery analyzers, and custom prototyping breadboards, enabling seamless scalability from single-cell tests to massive multi-channel array systems.
- Convenient High-Volume Packaging: Supplied in 20-piece packs, providing scalable, cost-effective, and standardized cell-holding solutions for high-capacity testing facilities and academic research groups.
Applications
| Application | Description | Key Benefit |
|---|---|---|
| Galvanostatic Charge-Discharge Cycling | Continuous high-precision rate-performance and capacity retention testing across single and multi-channel battery cyclers. | Delivers stable contact pressure to eliminate artificial voltage drops and capacity measurement anomalies. |
| Electrochemical Impedance Spectroscopy (EIS) | AC impedance characterization over broad frequency ranges to investigate interfacial charge transfer kinetics. | Ultra-low parasitic contact resistance ensures undistorted Nyquist plots and accurate bulk resistance data. |
| Solid-State Battery R&D | Testing of novel solid electrolytes, ceramic separators, and metallic lithium interfaces enclosed in CR20-series hardware. | Uniform mechanical retention minimizes interfacial resistance drift caused by external vibration or thermal shifts. |
| Active Material Screening | High-throughput evaluation of synthesized cathode and anode materials in half-cell and full-cell coin configurations. | Fast snap-in replacement accelerates workflow throughput when evaluating dozens of material variations daily. |
| Thermal Chamber Stress Testing | Long-term cell performance evaluation under elevated or sub-ambient temperatures inside environmental test chambers. | Temperature-resistant housing prevents dimensional warping and maintains contact integrity throughout thermal swings. |
| Consumer Electronics Prototyping | Powering IoT nodes, wearable hardware, and portable medical electronic prototypes during design verification stages. | Robust mechanical lock-in prevents power interruptions and ensures stable supply voltage during operational trials. |
| Multi-Channel Test Fixture Fabrication | Custom integration into multi-cell testing arrays and modular laboratory measurement racks. | Uniform footprint and reliable terminal geometry streamline batch assembly and wiring on modular test boards. |
Technical Specifications
| Parameter | FZ02-2016 | FZ02-2025 | FZ02-2032 |
|---|---|---|---|
| Compatible Cell Type | CR2016 Coin Cell | CR2025 Coin Cell | CR2032 Coin Cell |
| Compatible Cell Diameter | 20 mm | 20 mm | 20 mm |
| Compatible Cell Thickness | 1.6 mm | 2.5 mm | 3.2 mm |
| Package Quantity | 20 pcs / pack | 20 pcs / pack | 20 pcs / pack |
| Mounting / Connection Style | Direct Insert / Snap-Fit Fixture | Direct Insert / Snap-Fit Fixture | Direct Insert / Snap-Fit Fixture |
| Installation Mechanism | Tool-Free Quick Installation and Disassembly | Tool-Free Quick Installation and Disassembly | Tool-Free Quick Installation and Disassembly |
| Series Designation | FZ02 Series Coin Cell Holders | FZ02 Series Coin Cell Holders | FZ02 Series Coin Cell Holders |
Why Choose This Product
- Consistent Electrical Performance: By maintaining low interfacial resistance and steady normal contact force, this unit eliminates testing artifacts caused by poor fixture contact, giving you complete confidence in your experimental data.
- Ergonomic and Workflow-Optimized Design: The quick-insertion structure streamlines testing routines, allowing laboratory technicians and researchers to swap coin cells within seconds without risk of casing damage or terminal deformation.
- Robust Durability for High-Cycle Utilization: Engineered from premium wear-resistant materials, the holder withstands continuous insertion and removal cycles, making it a dependable, long-term asset in high-throughput testing environments.
- Precision Manufacturing Tolerances: Stringent quality control ensures that each unit strictly matches exact CR20 series dimensional requirements, ensuring seamless compatibility across different battery test systems and experimental racks.
Contact our technical sales team today to discuss bulk requirements, custom test jig integrations, or complete battery testing solutions tailored to your laboratory workflow.
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Product Datasheet
CR2032 CR2025 CR2016 Coin Cell Battery Holder Sockets for Battery Testing
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