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