Battery Pack Simulator

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EA Battery Simulator

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Graphical control interface for all bidirectional power supplies. 


Bidirectional DC power supplies, by nature, are perfect for simulating a battery due to their ability to both source and sink power. By implementing an operational curve that mimics a specific battery type, a test engineer can accurately reproduce battery power to test those devices that provide charge to or receive energy from the battery. Elektro-Automatik’s Battery Simulator software makes it possible to simulate both lead-acid and lithium-ion batteries including their electrical and chemical characteristics during charge or discharge.


In cooperation with the renowned Fraunhofer institute in Germany, EA has developed algorithms to simulate batteries backed up by years of research. Now its possible to simulate a set of battery cells at a very specific state of charge(SOC) in a few minutes, rather than waiting for a battery to charge or discharge to the same SOC. The software also takes into consideration the battery capacity, internal resistance, ambient temperature and even state of health(SOH).



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Product Overview

The EA Battery Simulator (EABS) is a Windows software with a graphical user interface, made to control all bidirectional devices of series EA-PSB 10000. The bidirectional nature of these devices, which enables them work as energy source or sink, is essential for the simulation.


The software is used to simulate lead-acid and lithium-ion batteries, including their electrical and chemical characteristics when charging or discharging. This is accomplished by the implemented set of value tables and parameter libraries, which have been developed and collected in cooperation with the renowned Fraunhofer institute. Switchable battery profiles, which can be edited to match the requirements of the target application, don’t only define basic battery parameters such as battery capacity, internal resistance or the state of charge, but also test parameters such as ambient temperature.


The physical simulation is done by the power supply device, being controlled mostly automatically by the software during test runs. The user can furthermore activate data recording to log files, plus have it visualized in a color graph window.


The software is optionally available and requires a purchasable license dongle in form of an USB stick In or¬der to operate the dongle, only a free USB port is required. Drivers and documentation are included.



  • Algorithm developed in partnership with the Fraunhofer Institute

  • Static Charge, static discharge and dynamic test functions built in

  • Autoranging

  • Power Density

  • Battery simulation

  • Bi-directional and regenerative

  • Arbitrary waveform and function generator

  • Low EMC

  • Industry experience

  • Output voltage up to 2000V

  • Plug and play paralleling



Product Features

  • The power supply can replace a wide spectrum of battery sizes due to its big voltage and current range
  • Simulates lithium-ion and lead-acid batteries, more battery types can be added with updates
  • Simulates or calculates battery specific values such as battery voltage, charging/discharging current, internal resistance and body temperature, as well as state of charge
  • Battery simulation has a huge benefit in development and product end tests of, for example:
    – Battery chargers and battery management systems
    – Batteries of various kinds (charge/discharge)
  • Suitable for Li-ion batteries from 20-80 Ah and lead batteries from 35-140 Ah.


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