Dynamic Load Circuit Determines a Battery’s Internal Resistance

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Jim Williams – Linear Technology – Design Idea EDN March 31, 2005 The circuit is used to measure a battery’s internal resistance by synchronously loading and unloading the battery terminals at a slow rate. The measured difference voltage gets amplified to indicate the batteries Internal Resistance.

  • Free
  • Intermediate
  • 21-30
  • LTspice
  • April 2015
  • No


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