G5.CT – Charger Tester Series

The G5.CT series are unidirectional regenerative sinks. It was developed specifically for testing chargers and is suitable for use in laboratories and on test benches. The modular and finely graded G5.CT series is characterized by highly dynamic response times and a wide current-voltage range with an auto-ranging factor 3. The G5.CT series can simulate the electrical charging characteristics of a modern battery pack. This includes active voltage output and Ri realtime simulation.



  • Technologically advanced, fast switching, compact 19-inch DC electronic loads
  • High control dynamics in the 100…200 μs range – even at higher power levels
  • Exceptional accuracy of <0.02% FS, additional high-resolution measurement range
  • Wide current-voltage range with an autoranging factor 3
  • CV, CC, CP, CR, and Ri-Sim control modes
  • Regenerative and highly efficient, resulting in significant reduction of energy consumption and heat dissipation

System Capability

  • Modular and easy scalable systems
  • Parallel, series, and mixed operation with a digital high-speed bus
  • Simple master-slave configuration with the operating software
  • Easy rack mounting
  • Optional safety features such as 2-channel safety interface and insulation monitoring
  • Turn-key cabinet solutions or project-specific system integration according to customer specification

System Control and Options

  • Operating software, extended analysis, parameterization options, and calibration
  • Powerful application programming interfaces (API).
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