However, the states of charge of one or more of the battery modules may vary from {HEAD ~ the nominal state} of {TAIL ~ charge} , for example, due to manufacturing tolerances of rechargeable cells of the battery modules 
However , the states of charge of one or more of the battery modules may vary from { HEAD ~ the nominal state } of { TAIL ~ charge } , for example , due to manufacturing tolerances of rechargeable cells of the battery modules
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD 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 OTH OTH