What is passive cell balancing? All Questions › Category: Battery Management System › What is passive cell balancing? 0 Vote Up Vote Down CS Electrical And Electronics Staff asked 4 years ago I need short information. 1 Answers 0 Vote Up Vote Down CS Electrical And Electronics Staff answered 4 years ago A passive cell balancing is a process of making the voltage level of each cell equal by dissipating or wasting the energy through a resistor.