Another objective of the present invention is to provide a battery indicator to display {HEAD ~ the stored voltage} of {TAIL ~ a battery} 
of
Another objective of the present invention is to provide a battery indicator to display { HEAD ~ the stored voltage } of { TAIL ~ a battery }
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 TAIL