The original technology was developed by Motorola in the 1970s for testing automotive batteries. Today’s products are manufactured under license from Motorola, and include many new patents in North America, Europe and Asia. Midtronics has been developing and manufacturing conductance testers for more than twenty years, and customers include the world’s major battery manufacturers, major automotive manufacturers, telecommunications providers, electric power utilities, UPS manufacturers, and organizations in a variety of other industries. Midtronics has manufactured tens of thousands of battery conductance testers under the PowerSensor™, Midtron®, and Celltron® brands, as well as various private labels. In July of 2018, Midtronics Stationary Power Division was purchased by Franklin Electric.