lithium ion battery load tester

S37-256-20A Energy-Saving and Regenerative Battery Capacity Tester – High-Density, Precision Testing for Lithium-Ion Cells This advanced Li-ion battery capacity tester is engineered for high-throughput production environments, offering unmatched efficiency in both formation and grading processes. Designed with 256 independently controlled channels, the S37-256-20A delivers precise charge-discharge performance while integrating energy regeneration technology to reduce operational costs significantly. It supports a wide range of cell dimensions—lengths from 65mm to 220mm, widths between 16mm and 30mm, heights from 90mm to 230mm, and tab spacing from 45mm to 160mm—making it suitable for various prismatic battery formats used in electric vehicles, energy storage systems, and R&D labs. Key Features: - Ultra-High Density Configuration: With a compact fixture spacing of just 40mm, this system enables 256 parallel tests in a single unit, boosting throughput by up to 40% compared to traditional models and improving space utilization by approximately 50%. - Real-Time Contact Impedance Monitoring: Utilizes a four-wire measurement method to detect and compensate for contact resistance dynamically, ensuring consistent and accurate readings across all channels. - Intelligent Energy Management: Employs bidirectional inverter technology that recovers up to 70% of discharge energy, achieving over 80% charging efficiency and reducing annual electricity expenses by as much as 30%. Power factor exceeds 0.99 with harmonic distortion below 5%, making it compliant with stringent industrial power standards. - Exceptional Control Accuracy: Delivers voltage resolution down to 1mV and current precision at 1mA, with response times under 50ms for rapid adjustments during complex test cycles. - Flexible Test Modes: Supports six operation modes including Constant Current, Constant Voltage, Constant Power, and Constant Resistance, allowing tailored testing protocols for different battery chemistries and applications. - Advanced Process Automation: Capable of executing up to 32 steps per cycle across 256 cells, automatically generating capacity-voltage correlation curves essential for quality assurance and process optimization. - Seamless MES Integration: Provides full data traceability through integration with Manufacturing Execution Systems, enabling real-time monitoring and compliance tracking for smart manufacturing workflows. Detailed Description: The S37-256-20A represents the next generation of battery testing equipment, combining modular design, intelligent control algorithms, and sustainable engineering principles. Its electric push-up loading mechanism facilitates quick model changes without manual intervention, enhancing line flexibility. The built-in impedance compensation system ensures stable connections even under varying environmental conditions, minimizing errors caused by poor contacts or aging fixtures. For manufacturers seeking to improve yield rates or validate new battery formulations, this device offers not only speed but also analytical depth—supporting multi-stage formation profiles that mimic real-world usage patterns. Whether deployed in mass production lines or research laboratories, the unit maintains exceptional repeatability and reliability, backed by robust software interfaces that simplify setup, execution, and reporting. Applications: Ideal for battery producers targeting EVs, grid-scale energy storage solutions, and portable electronics, this equipment excels in consistency testing, capacity sorting, and formation validation. It supports R&D efforts focused on low internal resistance cells and serves as an effective tool for process improvement initiatives aimed at increasing production yields. By synchronizing 256 channels with precise timing and feedback loops, it provides a scalable foundation for modern battery manufacturing operations. User Feedback: Users praise its ability to handle large volumes efficiently while maintaining accuracy. One operator noted, “We saw a 35% increase in daily output after switching to this system, and our energy bills dropped noticeably.” Another remarked, “The contact impedance feature eliminated many false positives we used to get with older testers—it’s like having a built-in quality checker.” Frequently Asked Questions: What makes this tester stand out from others in the market? Its combination of 256-channel parallel processing, integrated energy recovery, and real-time impedance detection sets it apart as a high-efficiency solution for both production and lab environments. Can it be customized for specific battery sizes? Yes, the modular fixture design allows easy adaptation to different cell geometries within the supported range, ensuring compatibility with most standard prismatic lithium-ion batteries. How does it contribute to sustainability? By regenerating up to 70% of the discharged energy back into the grid and optimizing power consumption, it reduces carbon footprint and lowers long-term operating costs—a critical advantage for green manufacturing practices.