A battery management unit and {TAIL ~ system} for managing the state of charge of cells or {HEAD ~ batteries} 
A battery management unit and { TAIL ~ system } for managing the state of charge of cells or { HEAD ~ batteries }
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD