{HEAD ~ The central controller} may selectively connect a main charger or {TAIL ~ generator} to a bank of batteries associated with a battery management unit 
selectively connect
{ HEAD ~ The central controller } may selectively connect a main charger or { TAIL ~ generator } to a bank of batteries associated with a battery management unit
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH