Abstract: A process and system for quality assurance. The process includes developing a high level quality assurance resource estimate and a high level quality assurance time estimate; producing a business analysis outline; and creating an acceptance test plan using an acceptance test plan template with the business analysis outline. The process further includes creating a plurality of test cases to be carried out during a test execution phase of the quality assurance process using the acceptance test plan; refining the high level quality assurance resource estimate and the high level quality assurance time estimate based on the acceptance test plan; executing each of the test cases in an acceptance test to produce a set of test results for each of the test cases; and evaluating the test results against the refined high level quality assurance resource estimate and the refined high level quality assurance time estimate.

Abstract: A method and system for evaluating lead-acid battery jars in a battery backup or standby system applies, in a stepwise manner, a current load across a group of adjacent jars. Voltage measurements are taken across each jar in the group at various times during the application of the current load. These measurements are utilized to calculate the ohmic resistance, the charge transfer resistance and the double layer capacitance of each jar.