Float voltage. Float voltage is the voltage at which a battery is maintained after being fully charged to maintain that capacity by compensating for self-discharge of the battery. The voltage could be held constant for the entire duration of the cell's operation (such as in an automotive battery) or could be held for a particular phase of charging by the charger.
Definition of sup. : a mouthful especially of liquor or broth : sip; also : a small quantity of liquid pour me just a sup of tea.
Supplementary Assessment and Course Management. Supplementary assessment (SUP) is to be made available for any course, in which the student receives a grade of 3, unless the course requirements preclude supplementary assessment.