The rechargeable battery cell has a high cycle life and does not contain {HEAD ~ toxic compounds} found in {TAIL ~ conventional rechargeable batteries} 
found in
The rechargeable battery cell has a high cycle life and does not contain { HEAD ~ toxic compounds } found in { TAIL ~ conventional rechargeable batteries }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL