An off the shelf battery of the same dimensions can be inserted into the holder and {HEAD ~ the battery pack} positioned back within {TAIL ~ the cell phone battery pack space} 105 
positioned back within
An off the shelf battery of the same dimensions can be inserted into the holder and { HEAD ~ the battery pack } positioned back within { TAIL ~ the cell phone battery pack space } 105
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH