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Internal Ohmic Measurement and Their Relationship to Battery Capacity

Eddie Davis

Dan Funk

Wayne Johnson

Internal ohmic measurements are used to determine the health of a battery by monitoring the internal resistance of its individual cells. Resistance, impedance, and conductance test equipment all measure some form of a cell's internal resistance. The term internal ohmic measurement is a generic term referring to a measurement ofa battery cell's internal resistance using anyone of three available technologies - conductance, impedance, or resistance.

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