Further, the pins 36 by being spaced circumferentially around the battery provide {HEAD ~ a sufficient holding force} holding {TAIL ~ the battery} in a removable and replaceable fashion 
holding
Further , the pins 36 by being spaced circumferentially around the battery provide { HEAD ~ a sufficient holding force } holding { TAIL ~ the battery } in a removable and replaceable fashion
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH