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Comprehensive Battery Testing Methods for Performance, Safety, and Reliability Evaluation

Although the design engineer can directly measure all of the cell parameters they desire, this is not always practical or feasible. By fully discharging the battery and measuring the energy output, for instance, it is possible to determine how much charge is still in the battery, or the State of Charge (SOC). Test Conditions In order to obtain repeatable results and make meaningful comparisons, the test conditions must be clearly defined. Qualification Testing Before a cell or battery is permitted for use in a product, qualification testing is used to ascertain whether it is suitable for the intended use. Prior to the product being authorised for distribution to the customer, a finished battery pack must also pass  Cell testing  as a second stage of qualification. Environmental Testing The safety standards listed below incorporate typical tests. They are made to put the product through all of the environmental conditions that it is likely to experience over the cour...