The Semco SI-K BCDS 120V 50A 4CH Battery Tester is a cutting-edge solution engineered for battery R&D and production testing. It is ideal for evaluating the performance, safety, and lifecycle of lithium-ion battery packs with precision and reliability.
Key Testing Capabilities
This powerful battery charge-discharge system supports a broad range of functions:
- Capacity and cycle life testing
- Charge/discharge efficiency analysis
- Internal resistance (DCIR) measurements
- Overcharge/over-discharge protection
- Pulse and real-world condition simulations
With a data acquisition rate of 10ms, it provides high-frequency logging and real-time waveform display.
Advanced Software Integration
The Windows-based testing software offers:
- Customizable process design
- Real-time data visualization and multi-curve plotting
- Export options to CSV, Excel, and image formats

Technical Highlights
Using Infineon IGBT technology and SVPWM vector digital control, it delivers:
- Voltage: 5V–120V
- Current: ±50A per channel (±100A in dual-channel mode)
- Accuracy: ±0.05% FSR, resolution of 1mV/1mA
- Fast transitions: <10ms rise/fall time, <20ms switching
Multi-Channel and Communication Support
Features 4 independent channels and supports CAN 2.0, RS485, and RS232, making it ideal for BMS integration and communication protocol testing.
Robust Safety Mechanisms
With layered protection for grid, output, and battery sides, it includes alarms for:
- Over/under voltage or current
- Short circuits and polarity reversal
- Over-temperature and reverse connection
- Emergency stop and power-off memory features
Auxiliary Monitoring & Efficiency
- Up to 20 auxiliary voltage channels
- 4 temperature channels for cell-level observation
- >90% charging/discharge efficiency
- Air cooling, IP21 protection, and <75 dB noise
Conclusion
From EV battery manufacturers to energy storage labs, the Semco SI-K BCDS 120V 50A 4CH offers unmatched testing precision, safety, and flexibility. Invest today and streamline your battery validation process.