{TAIL ~ The extending portion} extends along the length of the battery and {HEAD ~ the enlarged portion} fits over the top of the battery 
{ TAIL ~ The extending portion } extends along the length of the battery and { HEAD ~ the enlarged portion } fits over the top of the battery
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH