The ODM S33-160/30A Battery Grading System is a high-precision, energy-efficient solution designed for lithium-ion
Battery Formation and classification in industrial manufacturing environments. Engineered to optimize performance during capacity and voltage testing, this modular battery grading machine delivers accurate results while significantly reducing operational costs through advanced power management and intelligent data handling. Ideal for manufacturers of 18650 and 21700 cylindrical cells, the system supports both automated and manual operation modes, making it suitable for scalable production lines across electric vehicle (EV), energy storage, and consumer electronics sectors. This cutting-edge battery testing equipment leverages an STM32 microcontroller for precise control over 256 independent constant current and constant voltage sources—each with 0.5‰ accuracy—to ensure consistent and reliable grading outcomes. Unlike conventional systems that consume excessive energy, the S33-160/30A achieves more than 40% reduction in charging power consumption and up to 60% total energy savings by incorporating a bidirectional AC/DC inverter module that feeds discharged battery power back into the facility’s electrical grid. This regenerative capability not only minimizes waste but also lowers utility expenses, aligning with global sustainability goals for battery production facilities. Key features include a four-wire test interface for enhanced measurement precision, field-effect transistor-based discharge circuitry for efficient low-voltage operation, and built-in power failure protection that automatically resumes interrupted processes upon restoration of electricity. Each battery cell is tested independently using dedicated current and voltage regulation modules, eliminating cross-talk interference and ensuring stable, uninterrupted testing cycles. The system’s dual keyboard boards allow simultaneous front and rear panel control, while unified internal communication ensures seamless coordination within a single cabinet setup. Designed with maintainability in mind, the unit integrates a flat-head fixture system and tray-style manual loading mechanism for easy battery placement and removal. Its programmable 8-channel constant current/voltage control module enables flexible testing profiles tailored to various battery chemistries and specifications. For integration with existing factory infrastructure, the system connects via USB-to-485 converter or TCP/IP protocols, allowing real-time data transfer to user-supplied computers equipped with proprietary software for analysis, reporting, and remote monitoring. Common applications span
Battery Pack Assembly lines, EV component manufacturing, and large-scale energy storage solutions where consistency, repeatability, and efficiency are critical. Whether used in R&D labs or mass production environments, the S33-160/30A streamlines battery grading workflows, reduces human error, and enhances throughput without compromising on safety or quality standards. Users praise its robust design, intuitive interface, and measurable energy savings compared to legacy equipment. Many note how the system’s ability to store and share test data improves traceability and compliance with international battery certification requirements such as IEC 62660 or UN 38.3. Additionally, the inclusion of abnormal shutdown alarms helps prevent damage from overheating, short circuits, or other anomalies during extended testing sessions. Frequently asked questions often center around compatibility—yes, it supports standard lithium-ion formats like 18650 and 21700; scalability—yes, multiple units can be networked for larger operations; and maintenance—minimal, thanks to the modular architecture and self-diagnostic functions. With no moving parts in the core testing circuitry, downtime is reduced, and service intervals are extended, contributing to long-term cost-efficiency. In summary, the ODM S33-160/30A represents a smart investment for any battery manufacturer seeking to improve grading accuracy, reduce environmental impact, and maximize return on capital expenditure—all within a compact, future-ready platform optimized for modern industrial needs.
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