Nubacell twelve-cell reconfigurable battery A semi-realistic technical visualization of twelve prismatic cells with three four-cell switching electronics boards and a direct 30 volt output. − + Q1Q2Q3Q4 Q5Q6Q7Q8 U1 Cell-Level Switching Electronics − + CELL 01 100% − + CELL 02 100% − + CELL 03 100% − + CELL 04 100% − + CELL 05 100% − + CELL 06 100% − + CELL 07 100% − + CELL 08 100% − + CELL 09 100% − + CELL 10 100% − + CELL 11 100% − + CELL 12 100% 3V 3V 3V 3V 3V 3V 3V 3V 3V 3V 3V 3V DC-DC IN+ IN− 30 V DC