Dr. Ngalula Mubenga and Bilevel Equalizer (IMAGE) University of Toledo Caption Dr. Ngalula Mubenga, assistant professor of electrical engineering technology at The University of Toledo, holding a battery cell next to the bilevel equalizer. Credit Dan Miller, The University of Toledo Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.