EIS Battery Analyzer Model BA8100


Capable of accurately measuring the internal impedance of a battery at a user-defined frequency, the battery analyzer model BA8100 can perform EIS (Electrochemical Impedance Spectroscopy), a swept frequency technique for evaluating batteries. The data acquired can be evaluated through Nyquist and Bode plots to determine effective series resistance and track battery health.


Additional measurements include voltage, current, phase, capacitance, inductance, and quality factor. The analyzer includes a self-test fixture to verify the instrument’s performance and compensate for the resistance introduced by the test leads. The model also provides LAN, USB, and RS232 interfaces for PC connectivity.


  • Fixed frequency measurements from the front panel
  • Swept frequency using included software
  • Maximum input voltage of 80 V
  • Programmable DC and AC current settings
  • EIS frequency range of 50 mHz to 10 kHz
  • Impedance Z, phase angle θ, voltage, and current measurements
  • Simple 4-wire test connection
  • LAN, USB (COM), and RS232 interfaces standard
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