0-500V per channel, 0-90A per channel (270A parallel total), and 30000W total autoranging power in a compact 3U 19" rack chassis. Three independent bidirectional channels with regenerative energy recovery up to 96%. 18-bit digital control, 1 ms command cycle, CV/CC/CP/CR modes, reverse polarity detection, auto pre-charge, and dynamic sense regulation. Built-in Gbit Ethernet, EtherCAT, CAN FD, ProfiNet. Ideal for high-voltage EV battery pack, module, and cell testing in R&D, production, and second-life applications.

Output Current

0-90A

Output Power

15000W

Output Voltage

0-500V

Type

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Description

30-Second Fit Check

Output: 3 independent bidirectional channels, each 0-500V, 0-90A (270A total in parallel).
Total power: 30000W (10,000W per channel, autoranging).
Energy recovery efficiency: up to 96% in discharge mode, feeding energy back to the grid.
Regulation modes: CV, CC, CP, CR for complete battery test flexibility.
Control speed: 1 ms command cycle; selectable Normal, Fast, Slow control loops.
Safety: Reverse polarity detection, automatic pre-charge, dynamic sense regulation for cable fault detection.

What It Is + Why It Matters

High-voltage bidirectional battery tester for EV battery packs (up to 500V), modules, and cells – ideal for automotive, aerospace, and renewable energy.
Three independent channels enable parallel testing of multiple packs or parallel operation for up to 270A single output.
Energy recovery up to 96% drastically reduces energy costs and heat dissipation, minimizing HVAC requirements.
High precision and speed – 18-bit digital control ensures accurate measurements; 1 ms command cycle for real-time control.
Comprehensive safety features protect both the tester and the battery under test.
Scalable architecture – parallel up to 64 units for system power up to 1.92 MW.

Note: Autoranging technology provides full power across voltage and current range. Always follow battery safety guidelines.

Key Specs (EA-BT 20500-90 3U)

Voltage per channel: 0-500V (adjustable).
Current per channel: ±90A (bidirectional).
Power per channel: 10,000W (autoranging).
Total device power: 30,000W.
Parallel operation: up to 270A per device (3 channels paralleled).
Communication interfaces: Gbit Ethernet, EtherCAT, CAN FD, ProfiNet (built-in).
Supported protocols: SCPI, ModBus, LabVIEW, IVI drivers.
Measurement resolution: 18-bit digital control.
Dimensions: 19" rack, 3U height. Weight: approx. 32-35 kg.

Interfaces & Software

Built-in high-speed communication: Gbit Ethernet, EtherCAT, CAN FD, ProfiNet – 1 ms cycle time.
USB host on front panel for data logging and test sequence loading.
Digital I/O for external control and status monitoring.
Included software: EA Power Control for test sequencing, EA Battery Simulator for emulation.
Programming support: SCPI, ModBus commands; LabVIEW and IVI drivers available.
Remote sense per channel with dynamic sense regulation and reverse polarity detection.

Best for / Not for

Best for: EV battery pack (400V class) cycling, module and cell testing, charge/discharge characterization, second-life battery validation, and production end-of-line (EOL) testing in automotive, aerospace, and energy storage industries.
Not for: Applications requiring voltage above 500V per channel (use higher voltage BT models); ultra-low-voltage high-current cells (consider BT 20010 models).

Selection Checklist + Integration

Confirm battery voltage ≤ 500V per channel and current ≤90A per channel (or 270A parallel).
DC connection: For 90A, use ≥25mm² (AWG3) per pole; for 270A parallel, use appropriate busbars (≥95mm²).
Mounting: 19" rack, 3U height, allow >30cm rear clearance for airflow.
For master-slave parallel (up to 64 units): Connect Share bus and digital bus; total system power up to 1.92 MW.
For energy recovery: Ensure AC grid can accept regenerated power; check local regulations for grid protection device.
Software: Use EA Power Control for automated test sequences; EA Battery Simulator for battery emulation.