The portable electronic device 1, wherein the battery includes a body, {HEAD ~ the body} is substantially rectangular in shape, and the body has two opposite sidewalls and {TAIL ~ a surface} extending between the two opposite sidewalls 
The portable electronic device 1 , wherein the battery includes a body , { HEAD ~ the body } is substantially rectangular in shape , and the body has two opposite sidewalls and { TAIL ~ a surface } extending between the two opposite sidewalls
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH