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The authors ofthis article believe that static measurements of a single electrical parameter provide insufficient data to characterize battery quality and/or the state of health to a sufficiently meaningful degree of accuracy. To illustrate this point of view let's consider that some measurements of a car are taken to determine the quality and level of its performance. One researcher measures the cars physical dimensions with great accuracy. Then another does a speed assessment, and other researchers measure the fuel consumption, noise level and so on. Each researcher may be able to claim some degree of correlation between his measurements and total car quality, but it is obvious that regardless of the accuracy of their measuring tools and techniques, only by combining the results can the cars performance be assessed- with a low probability of error.