Preferably the system includes a main charger, the central processor dynamically controlling {HEAD ~ the supply} of {TAIL ~ energy} to the two or more series connected battery groups via the main charger 
of
Preferably the system includes a main charger , the central processor dynamically controlling { HEAD ~ the supply } of { TAIL ~ energy } to the two or more series connected battery groups via the main charger
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH