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Precision DC Supply and Battery Simulator, 20V, 6A


The Series 2281S Battery Simulator and Precision DC Power Supply innovatively integrates battery simulation with the functions of a high-precision power supply and battery testing. It's able to analyze the DC consumption of a device under test, test a battery, generate a battery model based on the battery charging process, and simulate a battery based on the battery model. The 2281S-20-6 can output voltage and current up to 20V and 6A and sink current up to 1A.


  • Simulate a batterys output during the charge and discharge cycles
  • Create, edit, import, and export battery models
  • Build a library of battery models automatically base on measurement results using battery test mode
  • Display the real-time change of the state of charge (SOC), open circuit voltage (Voc), and terminal voltage (Vt) for the simulated battery
  • Compute battery capacity in amp-hour and equivalent series resistance (ESR)
  • Program the battery SOC, Voc, capacity, and resistance
  • Provide two modes of simulation dynamic and static
  • Monitor charge/discharge current and voltage
  • Output up to 120W of low noise, linear regulated power
  • Monitor load currents from 100nA to 6A with high accuracy
  • Measure voltage and current with 6½-digit resolution
  • Sink current up to 1A and source current up to 6A
  • Built-in graphing simplifies analyzing trends or displaying voltage or current waveforms
  • High resolution TFT display and soft-key/icon-based user interface simplify power supply operation
  • Digital I/O for direct communication with other devices and instruments
  • GPIB, USB, and LAN interfaces
  • Emulation of front panel display and controls via your web browser simplifies automated control and monitoring


Quick Selector Guide
 Model  Information
2281S-20-6  Precision DC Supply and Battery Simulator, 20V, 6A